Sophia is concerned about her health, because her father died from colorectal cancer when he was only 50 years of age. In addition to discussing her medical history and concerns with her physician and being tested for colorectal cancer, Sophia should see her doctor if she notices
A. bowel movements that occur 3 times a week.
B. weight loss without trying to lose weight.
C. mucus in her stools.
D. occasional heartburn.
Answer: B
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