Who is affected by colorectal cancerCancer of the colon and rectum is the third most common cancer in men
and women in the United States and is the second leading cause of cancer
deaths. More than 90% of colorectal cancer cases occur in people who are older
than 50.1 Colorectal cancer occurrence rates are highest among
blacks; intermediate among whites, Asians, and Pacific Islanders; and lowest
among American Indians, Alaskan Natives, and Hispanics.1
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