Fig. 1From: Metastatic colonic and gastric polyps from breast cancer resembling hyperplastic polypsPathological findings of primary breast cancer. a Invasive lobular carcinoma in primary breast lesion: discohesive small round cells (E-cadherin negative) are arranged in slender strands (Hematoxylin and eosin staining (HE), × 400). b Signet-ring cell features (blue arrows) were observed in the invasive lobular carcinoma lesion of the primary breast cancer (× 400)Back to article page