Age

18–any

Sex

FEMALE

Healthy volunteers

Not accepted

Patients treated with BCS combined with CWPFs for primary stage I-III invasive cancer (IC) or ductal carcinoma in situ (DCIS);
Patients treated during the last 10 years (2015-2025);
Patients aged 18 years or more;
Cases with at least one-year follow-up.

Male Patients;
Patients aged less than 18 years;
Patients who underwent traditional breast conserving surgery or OBCS with displacement techniques;
Patients who underwent mastectomy;
Patients who underwent implant-based reconstruction;
Patients with unresectable breast cancer or metastatic disease;
Patients who were lost during follow-up.

Scarless Advanced Breast Extended Oncoplasty: The ScarABEO Study