NCT02901223.

Study name	The impact of oncoplastic breast surgery on the oncological safety and patient satisfaction
Methods	Prospective Cohort Ain Shams University, Egypt, Cairo 70 participants
Participants	Inclusion: Up to 60 Years Female Stage 1, 2 breast cancer Non‐metastatic breast caner Signed informed consent Exclusion: Metastatic breast cancer Stage 3, 4 breast cancer Inflammatory breast cancer Multicentric/multifocal disease Ductal carcinoma in situ Patients older than 60 years History of breast surgery in oncoplastic group Comorbidity in oncoplastic group Patients more than 60 years old
Interventions	Intervention: oncoplastic group 35 female patients with non‐metastatic breast cancer who had oncoplastic techniques for tumour resection by well‐trained oncoplastic breast surgeons Control: quadrantectomy group 35 female patients with non‐metastatic breast cancer who had standard conservative breast surgery with no use of any plastic techniques by general breast surgeons
Outcomes	Primary outcome measures Margins in all specimens measured in mm (time frame: 2 years) Patient satisfaction assessed using questionnaire (time frame: 2 years)
Starting date	September 2012 to September 2013
Contact information	Yasser Mohamed abdel‐samii El Ghamrini ‐ Cairo, Egypt
Notes	Recruitment: Completed ‐ not published Study published on clinicaltrials.gov October 2016 Similar to NCT02923635 and NCT03012152