OPERA - Incorporating Robotic Surgery in Both Mastectomy and DIEP Flap Reconstruction

Inclusion Criteria

• •Patients with ASA (American Society of Anesthesiologist) classification 1-2
• •Breast skin should be free from cancer involvement, with adequate tumor to skin distance, and the largest preoperative tumor size no more than 5 cm
• •The lesion should be located in any of the 4 quadrants away from the nipple, at least 1 cm distance between the lesion and the nipple