Mansoor H. Beg, MD, is a distinguished surgical oncologist with over 37 years of experience, specializing in the treatment of cutaneous malignancies and both cancerous and noncancerous breast conditions. He joined Northwell Health's Department of Surgery in 1993 and provides personalized care at the R.J. Zuckerberg Cancer Center, where he treats both newly diagnosed patients and those undergoing follow-up care. Dr....