case_images: PMC8322726_01
case_images: (A, B) Hematoxylin and eosin staining; magnification x100 and x200, Duct cells are observed in the loose stroma. (C, D) Hematoxylin and eosin staining; magnification x100 and x200, Urachal mucinous adenocarcinoma, groups of tumour cells surrounded by extracellular mucin.
case_images: fonc-11-662589-g001.jpg
case_images: PMC8322726_01_fonc-11-662589-g001.jpg
case_images: f1
case_images: The patient immediately underwent a transurethral biopsy of the urachal tumor, which revealed a 3.0x2.0x3.0 cm adenocarcinoma and some mucinous adenocarcinoma ( Figure 1 ).
case_images: Timeline of the Serum marker.
case_images: fonc-11-662589-g002.jpg
case_images: PMC8322726_01_fonc-11-662589-g002.jpg
case_images: f2
case_images: After 6 cycles, a 50% reduction in the size of the metastatic lung lesions was observed by CT and the CEA decreased from 588.1 to 205.7 ng/ml ( Figure 2 ).