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Colorectal Cancer Incidence and Mortality in the U.S. 2024 Questions with verified correct answers
Colorectal Cancer Incidence and Mortality in the U.S. 2024 Questions with verified correct answers
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Colorectal Cancer Incidence andMortality in the U.S.
Colorectal Cancer - CORRECT ANSWER-A type of cancer that affects the colon and
rectum, ranking as the third most common site of new cancer cases in the United
States.
Incidence - CORRECT ANSWER-The number of new cases of colorectal cancer,
approximately 104,600 annually in the U.S.
Mortality - CORRECT ANSWER-The number of deaths due to colorectal cancer,
approximately 53,200 annually in the U.S.
Risk Factors - CORRECT ANSWER-Factors such as older age, family history,
cigarette smoking, high alcohol consumption, high-fat, low-fiber diet, inflammatory
bowel disease, radiation exposure, type 2 diabetes, increasing age, male gender,
overweight/obesity, previous colorectal cancer or adenomatous polyps that increase
the risk of developing colorectal cancer.
Global Estimates (2018) - CORRECT ANSWER-The World Health Organization
estimates 1.8 million new cases and nearly 861,000 deaths worldwide in 2018.
Median Age at Diagnosis - CORRECT ANSWER-The median age at which
colorectal cancer is diagnosed is 66 years in the U.S., compared to 72 years 20
years ago.
Young-Onset Cases - CORRECT ANSWER-Nearly one in seven new diagnoses of
colorectal cancer occurs in adults younger than 50, often with more advanced
disease.
Trends - CORRECT ANSWER-The incidence of colorectal cancer in adults over 50
is declining by approximately 2% annually, corresponding with a 19% increase in
colonoscopies.
Hereditary Factors - CORRECT ANSWER-Genetic factors such as Lynch syndrome
(HNPCC) and familial adenomatous polyposis (FAP) increase the risk of developing
colorectal cancer.
Clinical Manifestations - CORRECT ANSWER-Symptoms of colorectal cancer
include change in bowel habits, rectal bleeding, anemia, anorexia, weight loss, and
fatigue. The symptoms vary based on the location of the lesion.
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