In the early stage of bowel cancer, most patients do not have any discomfort symptoms, and the appearance of symptoms often means that the disease is more serious. In most cases, the symptoms are not directly caused by cancer, but if you experience any of the following symptoms, you should seek immediate medical attention to detect and treat the disease: change in bowel habits, such as loose stools or inability to pass stools for a longer period of time; feeling like you want to pass stools, but when you go to pass stools, they do not come out; bleeding from the anus or blood in the stool; persistent stomach cramps; feeling tired and weak You need to consult your doctor for Question: “Can my symptoms be caused by anything other than cancer?” ”Can you write down the diagnosis you suspect for me?” ”What should I do next?”