The document discusses mastectomy morbidities, focusing on seroma, infection, and bleeding. It provides data from a Philippine hospital showing that hematoma, infection, and seroma are the most common morbidities seen. It also summarizes surveys of surgeons which found seroma, hematoma, and infection or wound issues within the top 5 morbidities. The document discusses preventing and treating seroma by avoiding fluid accumulation under surgical flaps and continuing drainage until fluid stops accumulating. It recommends closed tube drainage and needle aspiration based on evidence and consensus among surgeons.