"Thomas R. Bowen, MD, is chief of Orthopaedic Oncology for the Geisinger Musculoskeletal Institute and an orthopaedic surgeon at Geisinger Medical Center. Dr. Bowen earned his medical degree from Jefferson Medical College in Philadelphia, Pa. He continued his orthopaedic residency at Geisinger Medical Center and then proceeded to Massachusetts General Hospital and Boston Children's Hospital for fellowship training in orthopaedic oncology. Dr. Bowen is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. He is a fellow of the American Academy of Orthopedic Surgery and the prestigious American Orthopaedic Association. Dr. Bowen’s clinical interests include tumors of the musculoskeletal system (bone, cartilage, muscle, tendon, and peripheral nerves). He specializes in limb-preserving surgery for malignant tumors, as well as minimally invasive treatments for benign tumors and bone cysts. He cares for children and adults with tumors of the musculoskeletal system.|“Today, patients are healthier and living longer than ever before. I routinely see patients for follow-up visits who may not have survived only a decade ago. Now, they’re able to attend graduations, take vacations and watch their grandchildren grow up. Helping make those milestones possible is a part of what makes being a surgeon so worthwhile.”|In his personal life, Dr. Bowen is a native of Wilmington, Del., and a private airplane pilot, instrument rated, single engine land. His favorite movie is ""The Right Stuff.""". Dr. Bowen is rated as an Advanced provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Bone Tumor, Adult Soft Tissue Sarcoma, Ewing Sarcoma, Hip Replacement, and Knee Replacement.

Dr. Ramdas is a fellowship-trained specialist in pediatric hematology/oncology and board certified in pediatrics. His clinical interests include general pediatric hematology and oncology; childhood cancer (e.g., leukemia, lymphoma, brain tumor, neuroblastoma, Wilms' tumor, bone tumor, soft tissue sarcoma); and pediatric hematology (e.g., anemia, thrombocytopenia, neutropenia, bone marrow failure, sickle cell disease, bleeding disorders, ITP). Dr. Ramdas earned his medical degree from Calcutta National Medical College in India. He then moved to the United States to complete his residency and a fellowship in pediatric hematology and oncology at Louisiana State University. Dr. Ramdas is certified by the American Board of Pediatrics in pediatrics and in pediatric hematology-oncology. Dr. Ramdas is rated as an Advanced provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Langerhans Cell Histiocytosis, Reticulohistiocytoma, Histiocytosis, Hepatoblastoma, and Bone Marrow Aspiration.

Dr. Lietman is a board-certified and fellowship-trained adult reconstruction specialist. His clinical interests include total knee/hip replacement, total knee/hip reconstruction and revision, and musculoskeletal tumors. Dr. Lietman earned his medical degree from Dartmouth College. He completed his residency at Johns Hopkins University. Dr. Lietman completed fellowships in orthopaedic oncology at Boston Children's Hospital and at Massachusetts General Hospital. He is certified by the American Board of Orthopaedic Surgery. Dr. Lietman is rated as an Experienced provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Osteoarthritis, Sciatica, Fibrous Dysplasia, Knee Replacement, and Hip Replacement.

Dr. Vadakara is a board-certified and fellowship-trained cancer physician specializing in bone marrow transplantation. Dr. Vadakara obtained his medical degree from Medical College Thiruvananthapuram. He completed his residency at Hahnemann University Hospital and his fellowship in hematology and oncology at Fox Chase Cancer Center. Dr. Vadakara is certified by the American Board of Internal Medicine in hematology and medical oncology. Dr. Vadakara is rated as an Experienced provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Thrombocytopenia, Essential Thrombocythemia, Hemangioma Thrombocytopenia Syndrome, Bone Marrow Aspiration, and Bone Marrow Transplant.

Rajiv Panikkar, MD, is the chair of the Geisinger Cancer Institute.|Dr. Panikkar was raised in Bloomsburg, Pa. He received his Doctor of Medicine degree from the University of Pittsburgh. He completed his residency in internal medicine at Virginia Commonwealth University Hospital, where he served as chief medical resident. His hematology/oncology fellowship was at Temple University Hospital/Fox Chase Cancer Center. He is board certified in hematology and oncology, and he practices as a medical oncologist.|Dr. Panikkar came to Geisinger in 2008 as a medical oncologist at Geisinger Medical Center. As chair of the Geisinger Cancer Institute, he currently leads 11 hematology/oncology, 6 radiation oncology and 4 palliative medicine sites across Pennsylvania. He is the principal investigator for Geisinger’s National Cancer Institute Community Research Program, a collaborative network designed to conduct oncology clinical trials and generate new knowledge through cancer care delivery research.|“The Geisinger Cancer Institute has an amazing opportunity to provide compassionate, patient-focused care close to home. We are expanding clinical trial opportunities and providing new medications and new technology to our communities. Our commitment to a team approach allows us to bring highly trained physicians together who are focused on the patient. Working at Geisinger is special — it has given me the opportunity to care for families I grew up with. I am excited about the growth of comprehensive services for the patients in our region."". Dr. Panikkar is rated as an Experienced provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Lung Cancer, Pleuropulmonary Blastoma, Arterial Embolism, and Familial Colorectal Cancer.

Dr. Blansfield is a board-certified, fellowship-trained general surgeon specializing in surgical oncology. His clinical interests include pancreatic surgery, melanoma, endocrine surgery, esophageal cancer and minimally invasive surgery. His research interests include pancreatic cancer, melanoma and outcomes research. Dr. Blansfield earned his medical degree from Georgetown University. He completed his residency at Abington Memorial Hospital and his fellowship in surgical oncology at the National Institutes of Health Center for Cancer Research. Dr. Blansfield is certified by the American Board of Surgery. Dr. Blansfield is rated as an Experienced provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Familial Pancreatic Cancer, Pancreatic Cancer, Gastrointestinal Stromal Tumor, Pancreatectomy, and Splenectomy.

Dr. Frederick is a board-certified and fellowship-trained radiologist. He attended Drexel University, where he received his medical degree. He completed his residency at Geisinger Medical Center, and his fellowship at Thomas Jefferson University Hospital. Dr. Frederick is certified by the American Board of Radiology. Dr. Frederick is rated as an Experienced provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Ureterocele, Visceromegaly, Retroperitoneal Fibrosis, and WT1-Related Wilms Tumor Syndromes.

Heath Mackley, MD, is a radiation oncologist. Dr. Mackley provides compassionate cancer care for children and adults, helping them manage their symptoms and understand their treatment options. Patients in his care receive radiation therapy.|Dr. Mackley is the chair for radiation oncology for Geisinger. He specializes in treating a variety of conditions, including sarcomas, lymphomas, pediatric cancers, breast cancer, skin cancer, prostate cancer, kidney or bladder cancer and gastrointestinal (GI) cancer.|Dr. Mackley has a clinical interest in stereotactic radiosurgery.|Board-certified in radiation oncology, Dr. Mackley earned his medical degree from the Perelman School of Medicine at the University of Pennsylvania, followed by a residency in radiation oncology at the Cleveland Clinic.|A husband and father of four, Dr. Mackley is active in the Boy Scouts of America and his local church. As a resident of central Pennsylvania, he is committed to serving his community by giving the best care he possibly can.|In 2007, Dr. Mackley received the Radiological Society of North America’s Resident/Fellow Research Award to recognize his superior research efforts as a resident.|He has published several papers and participated in many research projects. He is an advisory board member for the journal Applied Radiation Oncology and has served as a reviewer for 10 other journals.|Dr. Mackley is an active member of several professional organizations, including the American Society for Radiation Oncology, American College of Radiation Oncology, American Medical Association and American Society of Clinical Oncology. He is vice chair and a trustee of the Pennsylvania Medical Society and has served as president of the Dauphin County Medical Society. Dr. Mackley is an investigator in the cancer therapy evaluation group of the National Cancer Institute and the Children’s Oncology Group. He is a fellow of the American College of Radiation Oncology and a member of Penn State College of Medicine’s mentoring academy.|In his free time, Dr. Mackley enjoys spending time with his family, hiking and camping. When he’s not outside, he can be found rooting for the Baltimore Orioles, the Washington Football Team and the Penn State Nittany Lions.|Video: more from Dr. Heath Mackley, M.D. Dr. Mackley is rated as an Experienced provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Posterior Fossa Tumor, Familial Prostate Cancer, Embryonal Tumor with Multilayered Rosettes, and Anal Cancer.

Brandon Bachert is a Radiologist in Danville, Pennsylvania. Dr. Bachert is rated as an Experienced provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Boils, WT1-Related Wilms Tumor Syndromes, Renal Cell Carcinoma (RCC), and Pleurisy.

Dr. Chaudhary is a board-certified and fellowship-trained radiologist. She earned her medical degree from Maulana Azad Medical College in India. She then moved to the United States, where she completed her residency at Geisinger Medical Center. She completed her fellowship at The Pennsylvania State University College of Medicine. Dr. Chaudhary is certified by the American Board of Radiology. She speaks English and Hindi. Dr. Chaudhary is rated as an Experienced provider by MediFind in the treatment of Rhabdoid Tumor. Her top areas of expertise are Liposarcoma, Undifferentiated Pleomorphic Sarcoma, Mesenchymoma, and Myxoid Liposarcoma.

Dr. Corona is a board-certified and fellowship-trained cancer physician specializing in hematology. She earned her medical degree from the Universidad Iberoamericana School of Medicine, Santo Domingo in the Dominican Republic. She then moved to the United States to complete her residency at Reading Hospital and Medical Center and her fellowship in hematology and oncology at Drexel University. Dr. Corona is certified by the American Board of Internal Medicine in hematology and medical oncology. She speaks English and Spanish. Dr. Corona is rated as an Experienced provider by MediFind in the treatment of Rhabdoid Tumor. Her top areas of expertise are Familial Colorectal Cancer, Lynch Syndrome, Colorectal Cancer, and Appendix Cancer.

Dr. O’Brien is a board-certified and fellowship-trained cancer physician. His clinical interests include lung cancer, lymphoma, general hematology, and gastrointestinal malignancies, especially colon cancer. Dr. O'Brien attended Georgetown University, where he received his medical degree, and completed his residency at Hahnemann University Hospital. He completed a fellowship in medical oncology at Milton S. Hershey Medical Center. Dr. O'Brien is certified by the American Board of Internal Medicine in internal medicine and medical oncology. Dr. O'brien is rated as an Experienced provider by MediFind in the treatment of Rhabdoid Tumor. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Thrombocytopenia, and Chronic Lymphocytic Leukemia (CLL).

Jessica Pagana-Defazio is a primary care provider, practicing in Family Medicine in Sunbury, Pennsylvania. Dr. Pagana-Defazio is rated as an Experienced provider by MediFind in the treatment of Rhabdoid Tumor. Her top areas of expertise are Thrombocytopenia, Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), and Hemangioma Thrombocytopenia Syndrome.