The skin flaps are not fixed subcutaneously but sutured at the edges, a closed suction drain is inserted under the flaps in the dead space created by the dissection at the pectoral area. The drain is stitched to the skin.

In an attempt to obliterate the dead space, the skin flaps are sutured to the underlying pectoralis major with multiple parallel rows of 0/0 vicryl (or equivalent). Running sutures at periodic intervals (<2cm) are placed from the skin flaps to the underlying muscle.

In an attempt to obliterate the dead space, the skin flaps are sutured to the underlying pectoralis major with multiple parallel rows of 0/0 vicryl (or equivalent). Running sutures at periodic intervals (<2cm) are placed from the skin flaps to the underlying muscle. Minor dimpling is considered acceptable and is expected to resolve. If severe dimpling is observed, stitches are removed and replaced.

Efficiency of quilting suture relies on a rigorous repartition of the sutures with a special attention taken to the obliteration of the largest potential dead spaces and the empty axillary apex.

The skin edges are sutured as stated before for the control group. Closed suction will not be used for draining the pectoral area.

A seroma is defined as a postoperative fluid collection via palpation on clinical examination. The Common Terminology Criteria for Adverse Events (CTCAE) which is a descriptive terminology that can be used for adverse event reporting provide a grading scale for seromas (lymphoceles).

Only grade 2 and 3 seromas i.e. seromas requiring one or more aspirations or a surgical intervention will be considered as primary outcome.