case_images: PMC9971617_01
case_images: Colonoscopy shows an elevated tumorous lesion in the descending colon.
case_images: crg-2022-0017-0001-529299_f1.jpg
case_images: PMC9971617_01_crg-2022-0017-0001-529299_f1.jpg
case_images: F1
case_images: Additionally, the endoscopic image revealed atypical findings (two humps and elevation of the submucosa) with regard to typical colorectal cancer (shown in Fig. 1).
case_images: Macroscopic evaluation of the resected specimen. An elevated tumor measuring approximately 50 mm in diameter is observed in the descending colon (arrowhead).
case_images: crg-2022-0017-0001-529299_f2.jpg
case_images: PMC9971617_01_crg-2022-0017-0001-529299_f2.jpg
case_images: F2
case_images: No lymph node metastasis was detected (shown in Fig. 2, 3).
case_images: Histology of the tumor excised from the descending colon. a Intraoperative frozen section of the tumor showing solid growth of clear cells admixed with glandular and cystic growth of cells with hobnail features. b Histopathology of the paraffin-embedded specimen showing the cytoplasm of the tumor cells more clearly and brightly than the intraoperative frozen section (hematoxylin and eosin stain, magnification x20).
case_images: crg-2022-0017-0001-529299_f3.jpg
case_images: PMC9971617_01_crg-2022-0017-0001-529299_f3.jpg
case_images: F3
case_images: No lymph node metastasis was detected (shown in Fig. 2, 3).