Efsevia Vakiani, MD, PHD - MSK Pathologist

For general information, call Memorial Sloan Kettering at 212-639-2000, 24 hours a day, seven days a week. To make an appointment, call us at 833-501-3141, Monday through Friday between 8:00 a.m. and 6:00 p.m. ET.

Dr. Brennan is a surgeon with special expertise in the treatment of soft tissue sarcomas, endocrine tumors, and pancreatic and stomach cancers. He was Chairman of the Department of Surgery from 1985 until June 2006.