Esophageal cancer occurs when the cells lining the esophagus mutate and grow uncontrollably. In some cases, the cancer can grow through the esophageal lining and penetrate the esophageal wall.| MD Anderson Cancer Center
Colorectal cancer is a cancer that begins in the colon or rectum. Colorectal cancers are the third most common type of cancer in the United States. More than 145,000 people in this country are diagnosed with colorectal cancer each year| MD Anderson Cancer Center
Colon (colorectal) cancers are the third most common type of cancer in the United States. Learn more about the disease, including its symptoms, diagnosis methods and treatment information.| MD Anderson Cancer Center