Fig. 3From: Metastatic rectal adenocarcinoma in the mandibular gingiva: a case reportMicroscopic appearance of the metastatic oral tumor. The biopsy specimen obtained at the first visit to our department shows moderately differentiated adenocarcinoma with a papillary tubular pattern comprising columnar to polygonal epithelial cells (hematoxylin and eosin stain, original magnifications ×40 (a) and ×200 (b))Back to article page