Surgical Oncology Clinical Expertise Faculty Faculty Division of Surgical Oncology, Department of Surgery Home Research Research: Clinical Departments Surgery: Home Surgery: Divisions Surgery: Divisions > Surgical Oncology 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 Director, Complex General Surgical Oncology Fellowship Program Kari Kansal, MD Chief of Breast Surgery — Division of Surgical Oncology, Surgery Associate Professor — Division of Surgical Oncology, Surgery Karen Lane, MD Associate Professor — Division of Surgical Oncology, Surgery Clinical Director, Breast Health Center, Surgery Erin Lin, DO Associate 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 Assistant Professor, Surgery Associate Director, Complex General Surgical Oncology Fellowship Program Thuy Tran, MD Assistant Professor — Division of Surgical Oncology, Surgery Assistant Director, UC Irvine Melanoma Center Maki Yamamoto, MD Associate Professor — Division of Surgical Oncology, Surgery Associate Program Director, General Surgical Residency Holly Yong, MD Assistant Professor — Division of Surgical Oncology, Surgery