Surgical Oncology Clinical Expertise Faculty Faculty Division of Surgical Oncology, Department of Surgery Home Research Clinical Departments Surgery Divisions Surgical Oncology Faculty Division Chief Maheswari Senthil, MD Chief — Division of Surgical Oncology, Surgery Professor — Division of Surgical Oncology, Surgery Faculty Oliver Eng, MD Associate Professor — Division of Surgical Oncology, Surgery Associate Director for Clinical Science — Chao Family Comprehensive Cancer Center Kari Kansal, MD Professor — Division of Surgical Oncology, Surgery Section Chief — Breast Surgery Karen Lane, MD Professor — Division of Surgical Oncology, Surgery Clinical Director — Breast Health Center Erin Lin, DO Associate Professor — Division of Surgical Oncology, Surgery Alexandra Lopez-Aguiar, MD Assistant Professor — Division of Surgical Oncology, Surgery Melissa Mao, MD Assistant Professor — Division of Surgical Oncology, Surgery Co-Director, Medical Student Clerkship, Surgery Michael O'Leary, MD Associate Professor — Surgery Director for Clinical Learning Environment — Graduate Medical Education Thuy Tran, MD Assistant Professor — Division of Surgical Oncology, Surgery Assistant Director — UC Irvine Melanoma Center Maki Yamamoto, MD Professor — Division of Surgical Oncology, Surgery Associate Program Director — General Surgical Residency Holly Yong, MD Assistant Professor — Division of Surgical Oncology, Surgery