Clinical manifestations 1. Changes in defecation habits, bloody stools, purulent and bloody stools, tenesmus, constipation, diarrhea, etc.

2. The stool gradually becomes thinner, and in the later stages, there may be defecation obstruction, weight loss, and even cachexia.

3. Digital rectal examination: It is a necessary examination step for diagnosing rectal cancer. About 80% of rectal cancer patients can be detected through digital rectal examination at the time of diagnosis. Hard and uneven masses can be palpated; in the late stage, intestinal lumen stenosis can be palpated and the mass is fixed. Dirty pus and blood containing feces were seen on the finger cots.

4. Proctoscopy: The size, shape and location of the tumor can be seen. And the tissue can be taken directly for medical examination.

When there are some abnormalities, it still needs to be known after examination. The main treatment for rectal cancer is surgery combined with traditional Chinese medicine. Whether elderly patients can be treated with surgery depends on the patient's physical condition. Yes, taking Lifesaver can speed up the body's recovery after surgery. It can inhibit the proliferation of tumor cells, affect the activity of telomerase, induce the apoptosis of cancer cells, and prevent recurrence and metastasis.