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Few studies have investigated the frequency of hereditary non-polyposis colorectal cancer (HNPCC) in patients with colorectal cancer (CRC), and these have shown marked geographic variations. The aim of this study was to estimate the frequency of HNPCC in a cohort of Uruguayan CRC patients. We included all patients operated consecutively for CRC in the(More)
Responses to a lifestyle questionnaire among 13 patients with Kaposi's sarcoma and 18 with an opportunistic infection were compared with those of 29 symptom-free referred individuals. Odds ratios (OR) with 95% confidence limits were calculated as an estimate of risk. Significantly elevated odds ratios (P less than 0.05) were found for cigarette smoking (OR(More)
This is a descriptive epidemiologic report based on over 3000 incident testicular cancer cases occurring among residents of the US and Puerto Rico, as reported to the Surveillance, Epidemiology and End Results (SEER) program of the National Cancer Institute for the years 1973 through 1982. White men had significantly higher incidence rates than their New(More)
Among 3,707 incident cases of Hodgkin's disease analyzed by month of initially confirmed diagnosis, there was no evidence of seasonal variation for boys or girls (less than 15 yr old) or for older persons (greater than or equal to 40 yr old). However, for young adults (15-39 yr old) there was significant fluctuation of month of diagnosis. February was the(More)
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