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Fig. 5. | Surgical Case Reports

Fig. 5.

From: Robot-assisted low anterior resection after aluminum potassium sulfate and tannic acid sclerosing therapy for internal hemorrhoids

Fig. 5.

Hematoxylin and eosin staining of the specimen. Scale bar, 1 mm. a) Pathological examination of the tumor revealed well-differentiated tubular adenocarcinoma invading into muscularis propria layer. b) Histological examination of the distal stump showed significant fibrosis of the muscularis propria layer (black arrowheads and left small window) compared to the normal one (right small window)

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