Supplementary Material for: Patients' Perspective on Day Case Breast Surgery R.Athwal M.Dakka D.Appleton S.Harries D.Clarke L.Jones 2015 <b><i>Background: </i></b>This study assessed the views of patients undergoing breast surgery for breast cancer with a planned overnight stay, asking whether they would be happy to be discharged home on the same day of surgery. <b><i>Methods:</i></b> A structured questionnaire sent out in the 6 weeks following surgery was used to ascertain the patients' views. <b><i>Results:</i></b> The majority of patients undergoing mastectomy and axillary node clearance preferred an overnight stay, primarily for psychological reasons. <b><i>Conclusions:</i></b> Patients undergoing breast-conserving surgery were more prepared to go home on the day of surgery.