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Fig. 2 | BMC Surgery

Fig. 2

From: Long-term results of extended intersphincteric resection for very low rectal cancer: a retrospective study

Fig. 2

Macroscopic finding of the comparison between T2 and T3 tumor. a standard ISR has enough distal and lateral surgical margins in case of T2 tumor. b it is often difficult to ensure a safe resection margin in case of T3 tumor. The resected specimen of extended ISR in T3 tumor shows enough surgical margin included upper part of ES. IS internal sphincter. ES external sphincter

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