1. The inclusion of blood in the stool.
Colon cancer is a malignant degeneration of the colon epithelium. Like in many other types of cancer, the early symptoms of the colon cancer are vague and implicit, so people rarely pay attention to them. Nevertheless, the early symptoms may include:
Changes of the intestinal peristalsis. The appearance of weakness, fatigue and weight loss that can’t be explained by natural reasons, anemia.