Oncological outcomes for encapsulated papillary carcinoma of the breast: Multicentric study of Turkish Society for Radiation Oncology breast cancer study group (TROD 06-014 study).

ECP is a rare, slow-progressing breast carcinoma associated with good prognosis, it is a disease of elderly patient, and usually occurs in postmenopausal women. It responds extremely well to optimal local treatments and appropriate adjuvant treatments on a patient basis, and has excellent OS and CSS ratios.