On metachronous polyneoplasias with primary localization in digestive organs

Abstract

We studied features of the course and results of treatment of metachronous primary multiple malignant neoplasms with localization of the first tumor in digestive organs; the second and (or) third tumors were located both in them and in organs of other systems. Case histories of 621 persons with primary multiple malignancies were analyzed. In 329 of them at least one of the tumors was located in the digestive organs, and in 104 (16,7%) patients tumors of this localization were primary. 100 patients were diagnosed with 2 tumors, 4 patients had 3 tumors. Among the patients there were 69 male and 35 female patients. The average age of patients at the time of detection of the first tumor was 53.6 and 62.9 years at detection of the second tumor.

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