Infiltrating ductal的用法和样例：
例句
- Note the small nests and infiltrating strands of neoplastic cells with prominent bands of collagen between them in this ductal carcinoma of the breast.
值得注意的是这个乳腺浸润性导管癌内的小癌巢和瘤细胞及其间明显的胶原蛋白形成的浸润性条索。 - It also differs from other forms of invasive ductal cancers in that it contains large cancer cells and immune system cells at the edges of the tumor.
肿瘤表面为免疫系统细胞，而里面为大量的癌细胞，这一点和其他的浸润性导管癌也不相同。
