Assertion: colon cancer | /r/HasProperty | one reason
Facets:
Source sentences:
text: Few symptoms appear in early stages of colon cancer, which is one reason these screening tests are so important.
text: This is the reason the American Cancer Society has recommended screening people starting at age 50.
text: Death statistics from colon cancer vs. rectal cancer is not clear as an estimated 40% of rectal cancers are misdiagnosed as colon cancer (another reason for lumping them together numerically).