Which can include: Breast cancer, Breast conservation surgery, Breast diseases , Breast surgery, Cancer surgery, breast Mastectomy, skin-sparing, and Sentinel lymph node biopsy. Dr. Witt completed his residency at Rush University Medical Center and his Fellowship at Memorial Sloan-Kettering Cancer Center - Surgical Oncology. Dr. Witt's research interests include Breast Diseases and Breast Cancer.​