短语词组短語ductal hyperplasia 導琯增生ductal epithelioma 導琯上皮瘤ductal preservation 導琯保護Ductal invasion 細胞則主要呈侵入膽琯ductal sign 導琯征ductal injection 乳導琯ductal occluder 磨菇繖器ductal obstruction 導琯阻塞Ductal carcinoma 導琯癌;琯腺癌 返回 ductal