PMC3959401_01
Endoscopic image showing circumferential narrowing of the rectal lumen, with intact overlying mucosa and cobblestone appearance
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PMC3959401_01_AnnGastroenterol-25-173-g001.jpg
F1
Subsequent endoscopy demonstrated a narrow distal rectum, with the overlying mucosa being indurated, non-ulcerated, with a cobblestone appearance (Fig. 1).
Transrectal ultrasonography showing marked thickening of the rectal wall with expansion of the submucosa
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PMC3959401_01_AnnGastroenterol-25-173-g002.jpg
F2
Transrectal ultrasonography showed circumferential infiltration of the submucosa, whereas the other layers were normal (Fig. 2); an image compatible with "linitis plastica".
Macroscopic view of the resected specimen demonstrating an expanded submucosal space with intact mucosa and muscular layer
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PMC3959401_01_AnnGastroenterol-25-173-g003.jpg
F3
Macroscopic examination of a sagittal section of resected rectum demonstrated an expanded submucosal layer due to infiltration with cancer cells, with intact mucosa and muscular layer (Fig. 3).