What is a sigmoid colon adenoma?

　　A friend of mine smokes and drinks regularly. Recently, he was diagnosed with a sigmoid colon adenoma during a hospital examination and is now extremely anxious. So, what exactly is a sigmoid colon adenoma?

　　What Is a Sigmoid Colon Adenoma?

　　Sigmoid colon adenomas typically include tubular adenomas and tubulovillous adenomas of the sigmoid colon. This is a benign condition that usually arises from colorectal polyps. Generally, colorectal cancers—including sigmoid colon cancer, descending colon cancer, and transverse colon cancer—are thought to develop through a stepwise progression. The earliest stage may be a small polyp; after several years, it may progress to an adenoma, and subsequently, over time, to adenocarcinoma. While a sigmoid colon adenoma itself is a benign tumor, a tubulovillous adenoma is considered a precancerous lesion and carries a higher risk of progressing to colorectal cancer.

　　Prevention of sigmoid colon adenomas primarily involves controlling known risk factors and modifying unhealthy lifestyle habits. Excessive intake of animal protein, dietary fat, red meat, or insufficient dietary fiber—as well as smoking and alcohol consumption—are all closely associated with the development of sigmoid colon cancer and require attention in daily life. Diet-wise, it is advisable to drink plenty of water and consume more fruits, vegetables, and whole grains. Additionally, quitting smoking and alcohol, avoiding late-night activities, and increasing regular physical exercise can help reduce the risk of sigmoid colon cancer to some extent.

　　It is recommended to incorporate protein-rich foods into your daily diet while minimizing smoking and alcohol consumption. We hope this information proves helpful to you.