Second primary cancer after diagnosis of stomach cancer in Osaka, Japan.

摘要: The risk of developing a second primary cancer following stomach was estimated from data accumulated in the Osaka Cancer Registry. Of 38,777 male patients and 22,391 female newly diagnosed period 1966-1986 who were followed up until end 1986, 778 267 developed other than cancer, respectively, whereas expected numbers had been 928.8 (RR = 0.84, 95% CI 0.78-0.90) 297.7 0.90, 0.79-1.01). risks higher among younger (aged 30-54 at diagnosis cancer) older 55-69 cancer). Significantly elevated observed for cancers oral cavity & pharynx 1.56), colon 1.61) rectum 1.56) males, 2.59) females as cancers. Results substantially similar localized patients. Among with gastrectomy, pancreatic 10 or more years after diagnosis. present study suggests necessity order to enable early digestive tract cancer.