重复癌亦称多发性原发性恶性肿瘤(MPM T)系指在同一器官组织中、成对器官组织中、同一系统不同部位以及不同系统的器官发生的恶性肿瘤。近几年来,虽在文献中屡见报道。但目前,人们对此仍缺乏足够认识。因此,在工作 Duplicate cancer, also known as multiple primary malignant tumors (MPM T), refers to malignant tumors that occur in the same organ tissue, in pairs of organ tissues, in different parts of the same system, and in different system organs. In recent years, there have been frequent reports in the literature. However, people still lack sufficient understanding of this. So at work