Unnecessary morbidity from breast surgery.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001706:Biopsy / Q000009:adverse effects*; D001943:Breast Neoplasms / Q000175:diagnosis* / Q000401:mortality / Q000473:pathology / Q000601:surgery; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007902:Length of Stay; D008408:Mastectomy / Q000592:standards; D008593:Menopause; D008875:Middle Aged; D009864:Ontario; D011182:Postoperative Care; D011183:Postoperative Complications / Q000517:prevention & control