A colorectal cancer metastasis (left half of the image) in the liver. Colorectal cancer cells, pictured in magenta, surrounded by other cells, in white, within the metastasis (microscopy image).

The images show clusters of colorectal cancer cells metastasized to the liver, resected from a patient at Massachusetts General Hospital (MGH). The cells are visible as red, which means longer ...

Colorectal cancer, also known as bowel cancer, is a cancer formed by uncontrolled cell growth in the colon or rectum (parts of the large intestine), or in the appendix. Genetic analysis shows that ...

However, the ACS notes the definition of a “screening” versus a “diagnostic” test may vary by insurer, and not all plans ...