Dr. Roby Thomas

Daniel P. Petro, MD, is a medical oncologist and hematologist at Hillman Cancer Center. He treats all cancer types, and has a special interest in a multidisciplinary approach to thoracic malignancies. Dr. Petro is also heavily involved in the research of Phase I trials. Dr. Petro is rated as a Distinguished provider by MediFind in the treatment of Posterior Fossa Tumor. His top areas of expertise are Lung Cancer, Non-Small Cell Lung Cancer (NSCLC), Pleuropulmonary Blastoma, Gamma Knife Radiosurgery, and Awake Craniotomy.

Shirley Ong, MD, specializes in hematology oncology and is board-certified in neurology by the American Board of Psychiatry and Neurology. She practices at UPMC Hillman Cancer Center and is affiliated with UPMC Shadyside and UPMC Presbyterian. Dr. Ong received her medical degree from the University of the East Ramon Magsaysay Memorial Medical Center and completed her residency at Saint Louis University School of Medicine, followed by a fellowship at the University of Texas MD Anderson Cancer Center. Dr. Ong is rated as a Distinguished provider by MediFind in the treatment of Posterior Fossa Tumor. Her top areas of expertise are Glioblastoma, Astrocytoma, Glioma, and Brain Tumor.

Shannon L. Puhalla, MD, is assistant professor of medicine at the University of Pittsburgh School of Medicine, and a medical oncologist and hematologist at UPMC Hillman Cancer Center. She specializes in breast oncology, Phase I clinical trials, and novel therapeutics in breast cancer. Dr. Puhalla is rated as a Distinguished provider by MediFind in the treatment of Posterior Fossa Tumor. Her top areas of expertise are Inflammatory Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Breast Cancer.