Cancer Survivors Exhibit Greater Risk of New Cancers and Higher Mortality Due to those Cancers
The objective of this study is to quantify the overall and cancer type-specific risks of subsequent primary cancers (SPCs) among adult-onset cancer survivors by first primary cancer (FPC) types and sex. Among 1,537,101 survivors (mean age, 60.4 years; 48.8% women), 156,442 SPC cases and 88,818 SPC deaths occurred during 11,197,890 person-years of follow-up (mean, 7.3 years). Among men, the overall risk of developing any SPCs was statistically significantly higher for 18 of the 30 FPC types, and risk of dying from any SPCs was statistically significantly higher for 27 of 30 FPC types as compared with risks in the general population. Among women, the overall risk of developing any SPCs was statistically significantly higher for 21 of the 31 FPC types, and risk of dying from any SPCs was statistically significantly higher for 28 of 31 FPC types as compared with risks in the general population.
The highest overall standardized incidence ratio (SIR) and standardized mortality ratio (SMR) were estimated among survivors of laryngeal cancer (SIR, 1.75; incidence, 373 per 10,000 person-years) and gallbladder cancer (SMR, 3.82; mortality, 341 per 10,000 person-years) among men, and among survivors of laryngeal cancer (SIR, 2.48; incidence, 336 per 10,000 person-years; SMR, 4.56; mortality, 268 per 10,000 person-years) among women. Substantial variation existed in the associations of specific types of FPCs with specific types of SPC risk; however, only a few smoking- or obesity-a...
Source: Fight Aging! - Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
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