Dr. Osamu Yoshino

Dr. Kathleen Christians specializes in surgical oncology and minimally invasive surgery (robotic and laparoscopic), with special emphasis on treatment of malignant and benign diseases of the liver, pancreas, biliary tree and gastrointestinal tract. Dr. Christians is Service Chief of Surgical Oncology GI Service, Co-director of the HPB Fellowship Program and her research interests focus on personalized cancer care and outcomes research in cancer. Dr. Christians is highly rated in 23 conditions, according to our data. Her clinical expertise encompasses Pancreatic Cancer, Ampullary Cancer, Cholangiocarcinoma (Bile Duct Cancer), Pancreatectomy, and Hepatectomy. Dr. Christians is board certified in Surgical Critical Care and Surgery. Dr. Christians is currently accepting new patients.

Dr. Clarke specializes in surgical oncology with a focus on tumors of the upper gastrointestinal tract, sarcomas, melanomas and regional therapies for advanced malignancies.Her research interests are centered on personalized cancer care and targeted approaches in pancreatic neuroendocrine tumors. Dr. Clarke is highly rated in 29 conditions, according to our data. Her clinical expertise encompasses Adult Soft Tissue Sarcoma, Parathyroid Cancer, Parathyroid Adenoma, Hepatectomy, and Pancreatectomy. Dr. Clarke is board certified in Surgery and Complex General Surgical Oncology. Dr. Clarke is currently accepting new patients.

Dr. Cortina is highly involved in research and has published numerous manuscripts, including articles in high-impact journals such asThe Lancet, JAMA Oncology,JAMA Surgery, and theAnnals of Surgical Oncologywhere he is also a member of the journal’s Editorial Board. His current research focuses on understanding how gender-affirming care may alter cancer risk, screening practices, and treatment recommendations for gender-diverse populations as well as how novel systemic therapies impact surgical decision-making and surgical outcomes for breast cancer patients.Dr. Cortina’s research is funded through grants from the National Institute of Health’s National Cancer Institute (NIH/NCI), the Patient-Centered Outcomes Research Institute (PCORI), and the Advancing a Healthier Wisconsin endowment (AHW). He is also actively involved in several surgical and oncological societies and serves on committees for the Society of Surgical Oncology, the American Society of Breast Surgeons, and the Central Surgical Association. Within the Medical College, he serves as Breast Clerkship Director for the Complex General Surgical Oncology fellowship program and leads the Section of Breast Surgery’s quarterly Breast Surgical Oncology Journal Club. Dr. Cortina is highly rated in 7 conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Breast Cancer in Men, Mastectomy, and Hormone Replacement Therapy (HRT). Dr. Cortina is board certified in Surgery. Dr. Cortina is currently accepting new patients.