[Clinical studies on extended radical operation for mammary cancer].
D000328:Adult; D000367:Age Factors; D000368:Aged; D001943:Breast Neoplasms / Q000601:surgery*; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008408:Mastectomy; D008722:Methods; D008875:Middle Aged; D011183:Postoperative Complications