Basem Dahshan, MD Basem Dahshan, MD, is a radiation oncologist with AHN Cancer Institute. He has expertise in bladder cancer, brain tumors, breast cancer, colorectal cancer, esophageal cancer, gastrointestinal cancer, gynecological cancer, head and neck cancer, liver cancer, metastatic cancer, pancreatic cancer, prostate cancer, skin cancer, and neurological cancer. Dr. Dahshan is skilled at performing radiosurgery (SRS) and stereotactic body... Read More about Basem A Dahshan, MD