In recent years, people's irregular eating habits and long-term staying up late have led to a significant increase in the incidence of colorectal cancer, seriously affecting people's health. In this regard, many people think that colorectal cancer is a kind of cancer. In fact, colon cancer and rectal cancer are not the same thing at all. They are both similar and different.
What is the difference between colon cancer and rectal cancer?The colon and rectum are both parts of the large intestine, and their anatomical characteristics are basically the same, and they are both located at the end of the digestive system. But the colon is mainly used to absorb water, while the rectum is used to store feces.
In addition, the symptoms of colon and rectal cancer are also similar. Patients will experience constipation, diarrhea, changes in stool color, bloody stools, etc. However, there are differences between the two. Rectal cancer causes greater irritation to the rectum, which can easily lead to changes in bowel habits, including color, shape, and frequency. If accompanied by bleeding, the blood color is generally darker. As the disease progresses, it may Intestinal obstruction can occur. Common symptoms of colon cancer are physical changes, such as the body becoming inexplicably thin and weak, and even anemia, abdominal masses, etc. Changes in bowel habits are mainly manifested in constipation and diarrhea, and patients may also have symptoms of intestinal obstruction in the late stages.
Is colon cancer a terminal disease?At present, although medicine continues to advance and research continues to deepen, no tumor has a 100% chance of cure. The chance of cure of any tumor depends on the stage of the tumor. The earlier the tumor, the higher the chance of cure. , including colon cancer.
Terminal illness refers to a life-threatening disease that cannot be cured by medicine at that time. Yang Jingge said that early-stage colon cancer and even mid-stage colon cancer have a great chance of cure. "Because there are many treatments for colon cancer, in addition to surgical resection, other treatments are gradually emerging, including targeted therapy, immunotherapy, etc. Through comprehensive treatment, the survival rate of colon cancer patients can be effectively improved."
How to judge the early and late stages of colon cancer?The early stage of colon cancer is called carcinoma in situ. Cancer in situ is limited to the mucosa of the colon, and only the cells are affected. Stage I colon cancer means that tumor cells have invaded the mucosa and submucosal layer, but there is no lymph node metastasis or distant metastasis; II colon cancer means that tumor cells may have invaded the muscular layer and serosa layer, but there is no lymph node metastasis or distant metastasis; Stage III colon cancer means that tumor cells may metastasize to lymph nodes; stage IV colon cancer means that tumor cells have metastasized to distant sites.