Hemorrhoids are a common and prevalent disease known to almost everyone, and they can occur in different populations and at all ages, which is why there is a folk saying that nine out of ten people have hemorrhoids. The most important thing to know about this is that it’s not just a matter of the name of the company. 1, hemorrhoids bleeding hidden secrets Blood in the stool is one of the common symptoms of hemorrhoids, but not only hemorrhoids have blood in the stool. We often encounter patients who have blood in their stool for more than half a year and are late in seeking medical attention, and when asked about the reason for their diagnosis, they have a common answer: they think that blood in stool is hemorrhoids and they can carry it through, but as a result, they are already in the middle or late stage of rectal cancer. On the contrary, young doctors often make the mistake of misdiagnosing rectal cancer bleeding as hemorrhoid bleeding. Hemorrhoid blood in stool vs. rectal cancer blood in stool Hemorrhoid is bright red blood dripping all the time after stool, sometimes there is also jet bleeding. Rectal cancer bleeding is mainly stool mixed with blood, stool and blood are one and the same, and rectal cancer is dark red mucus blood. Therefore, patients with recurrent blood in stool, especially those with change in bowel habits, progressive difficulty in defecation and peculiar foul-smelling stools, must seek early medical treatment to clarify the diagnosis in order to avoid delay in diagnosis and treatment. The clinical symptom of blood in stool is called “alarm sign”, which indicates that the body has an emergency and alerts us in the form of bleeding. The best and most effective way is to go to the hospital as soon as possible and ask your doctor to help you diagnose your condition through routine anorectal examination, colonoscopy or imaging, so that your condition can be diagnosed and treated in time. 2.Can hemorrhoids become cancerous? This is an issue of special concern and worry for anorectal patients. Because blood in stool is known as a warning signal of rectal cancer, many hemorrhoid patients doubt whether their hemorrhoids will become malignant to rectal cancer, which is understandable but lacks scientific basis. This is an understandable concern, but it is not scientifically based. So far, no domestic or foreign literature has reported that hemorrhoids are cancerous, and hemorrhoids are not included in the etiology of rectal cancer. It is common to see hemorrhoids combined with rectal or colon cancer, but this is mostly due to malignant changes in the affected intestinal tract itself, unrelated to hemorrhoids. It has been clinically reported that a significant number of patients with rectal cancer have a history of hemorrhoid treatment or even surgery, which often leads to the association that hemorrhoids can develop into cancer for many people. It has been clinically proven that this is not the case that hemorrhoids can turn into cancer. A middle-aged person who presents with recurrent blood in the stool that cannot be explained by hemorrhoids after examination must be alerted to the possibility of rectal cancer, but this does not support the fact that hemorrhoids become cancerous. In conclusion, there is a lack of direct evidence regarding the relationship between hemorrhoids and rectal cancer.