MICROSCAPE / SCIENCE PHOTO LIBRARY MICROSCAPE / SCIENCE PHOTO LIBRARY
Rectal cancer. Close-up of the rectum removed from a patient with rectal cancer. This is the final section of the large intestine. Rectal cancers are adenocarcinomas - cancer of the epithelium (cavity-lining tissue) that originates in glandular tissue. Colorectal cancer is the third most common form of cancer, and the second most common cause of cancer deaths in the western world.
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