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Fig. 1 | BMC Cancer

Fig. 1

From: Long-term outcomes of surgical resection for T1b gallbladder cancer: an institutional evaluation

Fig. 1

Precise pathological examination and macroscopic appearance of early-stage gallbladder cancer. The resected gallbladder specimen was sliced at 5 mm intervals, and precise pathological examinations were performed by mapping cancer lesions to reduce the possibility of pathological under-staging. a Protruding type, sessile tumour plus superficial elevated type. b Superficial elevated plus flat type. Red and yellow lines indicate the area of the tumour invading the lamina propria and muscular layer, respectively

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