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How does adenocarcinoma start in the colon and rectum?

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Adenocarcinoma is a type of cancer that starts in the glands that line the inside of one of your organs. Adenocarcinoma is the most common type of colon cancer. It starts out as a small polyp, or growth, that's usually harmless at first but can turn into cancer. You also can get this cancer in your rectum, the part of your large intestine where poop gets pushed out of your body.

From: Adenocarcinoma WebMD Medical Reference

SOURCES:

National Cancer Institute.

Maurie Markman, MD, president of medicine and science, Cancer Treatment Centers of America, Philadelphia.

Cancer Treatment Centers of America.

American Cancer Society: "What is non-small cell lung cancer?"

University of Southern California Center for Pancreatic and Biliary Diseases, Los Angeles.

Penn Medicine, University of Pennsylvania, Philadelphia.

Colon Cancer Coalition: "What Is Colon Cancer?"

Johns Hopkins: "Colorectal Cancer."

Esophageal Cancer Awareness Association:  "What is an Esophagus?"

Reviewed by Laura J. Martin on October 23, 2017

SOURCES:

National Cancer Institute.

Maurie Markman, MD, president of medicine and science, Cancer Treatment Centers of America, Philadelphia.

Cancer Treatment Centers of America.

American Cancer Society: "What is non-small cell lung cancer?"

University of Southern California Center for Pancreatic and Biliary Diseases, Los Angeles.

Penn Medicine, University of Pennsylvania, Philadelphia.

Colon Cancer Coalition: "What Is Colon Cancer?"

Johns Hopkins: "Colorectal Cancer."

Esophageal Cancer Awareness Association:  "What is an Esophagus?"

Reviewed by Laura J. Martin on October 23, 2017

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How does adenocarcinoma start in the breasts?

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