Figure 3From: Relapsed cervicomediastinal lymph node carcinoma with an unknown primary site treated with TS-1 alone: a case reportMicroscopic findings of resected mediastinal lymph nodes and the rectal tumor. (a) A biopsy of the paraaortic LNs revealed papillary adenocarcinoma that was pathologically different from the rectal lesion (hematoxylin and eosin stain). (b) The pathological diagnosis of the tumor resected from the rectum was tubular adenocarcinoma.Back to article page