通常,乳房造影检测出的小型癌长期结果良好,但少数患Tla(1～5mm)和Tlb(6～10mm)肿瘤的患者最后死于乳癌。为此,作者提出了乳房造影标准,把高危乳癌死亡的患者同小型乳癌但后果良好的患者区别开来。1977～1986年,1053例诊断有乳癌,其中,346例为侵入性肿瘤(1～14mm),进入本项研究 In general, small cancers detected by mammography have good long-term results, but a few patients with Tla (1 to 5 mm) and Tlb (6 to 10 mm) tumors eventually die of breast cancer. For this reason, the authors proposed a mammography standard that distinguishes patients who have died of high-risk breast cancer from those who have good outcomes. From 1977 to 1986, 1053 cases were diagnosed with breast cancer, of which 346 were invasive tumors (1 to 14 mm) and entered this study.