PMC6369260_01
Computed tomography (CT).. CT shows a mass in the rectum (A) and ascending colon (B).
gr1.jpg
PMC6369260_01_gr1.jpg
fig0005
CA 125 was not observed. Computed tomography (CT) revealed masses in the rectum and ascending colon as well as several regional lymph node enlargements at each lesion (Fig. 1).
Photomicrographs of rectal (A) and ascending colonic (B) histology (Elastica-Masson staining, 100x).. (A) shows a well-differentiated tubular adenocarcinoma, but (B) shows growth of transitional cells in the mucosa.
gr2.jpg
PMC6369260_01_gr2.jpg
fig0010
Histological examination revealed adenocarcinoma of the rectum and TCC of the ascending colon (Fig. 2).
Immunohistochemical studies of ascending colonic histology [A: CK 7 (400x); B: CK 20 (400x)].. Tumor cells were negative for CK 7 (A) and positive for CK 20 (B).
gr3.jpg
PMC6369260_01_gr3.jpg
fig0015
IIIB, while that of the ascending colonic lesion was pT3N2bM0, stage IIIC. Immunohistochemically stained specimens of tumor cells of the ascending colonic lesion were negative for cytokeratin (CK) 7 but positive for CK 20 (Fig. 3).