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多原发性癌瘤(Multiple Primary Cancers,简称MPC)系指同一患者在同时期或不同时期内出现两个以上原发性癌瘤而言。1889年,Billroth首先报告多原发性癌瘤病例,并提出了判定标准。目前,多
Multiple Primary Cancers (MPC) refers to the presence of more than two primary cancers in the same patient at the same time or in different periods. In 1889, Billroth first reported cases of multiple primary cancers and proposed criteria for their determination. Currently, many