Abstract
Time trends of age-standardized rate (ASR) of colorectal cancer incidence (ICD-10: colon (C18), rectal and anal canal (C19–C21) ) were compared among 18 selected cancer registries and ethnic/racial groups in Asia, Europe and USA. Data source was the Cancer Incidence in Five Continents Vol. IV–VIII (years at diagnosis: 1973–77, 1978–82, 1983–87, 1988–92 and 1993–97, respectively). World population was used for age-standardization.

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