The primary objective is to study the safety of not draining the axilla, considering the total number of patients without complication among breast cancer patients treated by means of conservative surgery and full axillary lymphadenectomy, with or without axillary drainage.~The secondary objectives will be the numbers of aspiration punctures, volumes of fluid aspirated and the total volumes of fluid produced.
To study the safety of not draining the axilla, after breast conserving surgery and full axillary lymphadenectomy.