Conservative management of operable breast cancer.Ten years experience at the Foundation Curie

514 patients were treated for a surgically operable (T1, T2, T3, N0, N1a, N1b) infiltrating breast carcinoma at the Foundation Curie, Paris, France, from 1960 to 1970 inclusive. Patients with tumors 3 cm or less and without axillary adenopathy had lumpectomy followed by radiotherapy. Patients with larger tumors and all patients with clinically significant lymph nodes (N1b) had exclusive radiotherapy (without lumpectomy). 120 had lumpectomy and 394 had exclusive radiotherapy. The five and ten years absolute survivals, free of disease (N.E.D.), for the lumpectomy are 85% and 75%, respectively. 12% had secondary surgery for local recurrence. The cosmetic results were satisfactory in 98%, with no severe radiation sequelae. The five and ten years, N.E.D., of the exclusive radiotherapy group are 68% and 43%. 55% had secondary surgery for persistent or recurrent disease. The cosmetic results were satisfactory in 85%. There were only three patients with severe radiation sequelae. The overall survival for 514 patients at five and ten years are 72% and 51%. Two-thirds of patients, alive at five years, had a preserved breast. Our conservative treatment resulted in survival at five and ten years comparable to those of radical surgery.