Santos 2015.

Study characteristics
Methods	Retrospective single‐centre cohort 2007 to 2012 Hospital Nossa Senhora das Grac¸as (HNSG) Breast Unit, Curitiba, Brazil 122 participants
Participants	Inclusion: Women with invasive/in situ breast cancer with T1‐T2 tumours undergoing breast‐conserving surgery In order to be included in this study, all patients had to be finished their treatments, and be at least 6 months after the conclusion of radiotherapy All participants agreed to take part in the study and have signed an informed consent form
Interventions	Intervention: Volume displacement ‐ mammoplasty, (n = 57) Inferior pedicle techniques (38), superior pedicle (17), central quadrantectomy (1) and round block (1) Control: BCS: WLE, (n = 65)
Outcomes	Primaryoutcomes: No outcomes of interest Secondaryoutcomes: PROMs Cosmetic evaluation
Notes	No disclosure/funding declared