Usually rectal cancer is malignant tumor, so there is no such term as benign rectal cancer. Generally rectal cancer patients have no obvious symptoms in the early stage of the disease, but some of them will have painless blood in stool, anal falling sensation and other symptoms.
Rectal cancer is one of the common malignant tumors in gastrointestinal tract. Most patients do not have obvious symptoms in the early stage of the disease, but some of them will have painless blood in stool, mucous blood in stool, or increased frequency of bowel movement, etc. As the disease progresses, some of them will have painless blood in stool or increased frequency of bowel movement. As the disease progresses, some patients with rectal cancer may have symptoms such as feeling of dropping in anus, feeling of incomplete defecation, blood and mucus on the surface of stool and pain in lower abdomen.
When rectal cancer infiltrates or metastasizes to surrounding tissues, nerves or organs, anal incontinence, persistent pain in lumbosacral region, hematuria, urgency of urination, dyspnea, headache, bone and joint pain and other discomforts, and malnutrition and weight loss due to abnormal digestive and absorption functions in some patients may also occur.
It is suggested that patients diagnosed with rectal cancer should adjust their mentality and actively cooperate with doctors to take treatment measures. Daily attention should be paid to easy-to-digest and less residue food, such as egg custard, minced meat froth, etc., and avoid spicy and stimulating food or greasy food.