Srivastava 2018.

Methods	Prospective single‐centre cohort All India Institute of Medical Sciences, Surgical Disciplines, New Delhi, India April 2015 to October 2016 64 participants
Participants	Inclusion: women with early breast cancer (T1‐T2) undergoing breast conserving surgery
Interventions	Intervention: volume displacement ‐ O‐BCS (oncoplastic breast conserving surgery), (n = 32) Control: standard BCS (breast conserving surgery), (n = 32)
Outcomes	Primary outcomes: No outcomes of interest Secondary outcomes: Patient‐reported outcome measures (PROMs) ‐ European Organization for the Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ‐BR23)
Notes	No disclosures/funding declared Conference abstract Abstract refers to study as randomised controlled trial ‐ according to Cochrane Handbook classified as Cohort (Higgins 2021)