略語大辞典 [Med] 21 DCIS ductal carcinoma in situ (of the breast) 乳管内癌. 限局性乳癌. ductal carcinoma in situ (of the breast); an intraductal carcinoma; uncommon lesions composing approximately 1 to 5 per cent of all breast cancer in (US); ref. infiltrating ductal carcinoma, infiltrating lobular carcinoma, and DCIS compos 丸善「略語大辞典」JLogosID : 11871332