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多原发结直肠癌(multiple primary colorectalcarcinoma,MPCC)是指结直肠发生的≥2个的互不相连的原发癌灶,在6个月以内发现的≥2个的原发癌灶称同时性多原发性结直癌(synchronous color-ectal carcinoma,SCC),6个月以上发现的≥2个的原发癌灶称异时性多原发性结直癌(metachron
Multiple primary colorectal carcinomas (MPCC) refer to> 2 unrelated primary foci occurring in the colorectum and> 2 primary foci found within 6 months are referred to as simultaneous Multiple primary primary cancers (SCC), ≥2 primary cancers detected over 6 months, are referred to as metachrono-primary colorectal cancer