Note the infiltration of ill - defined glands into the surrounding collagenous stroma 值得注意的是不确切的腺向周围胶原间质浸润。
2.
Note that the epithelial cells show no atypia and that there is a fine pink collagenous stroma within the papilloma 值得注意的是上皮细胞未显示异型性且在乳头状瘤有清晰可见的粉红色胶原间质。