Several common advanced symptoms of rectal cancer
summary
The symptom of rectal cancer is a very serious malignant tumor disease. The causes of rectal cancer are directly related to the genetic factors, disease factors and environmental pollution. After the occurrence of symptoms of rectal cancer, in the early stage, it may be similar to the symptoms of hemorrhoids, so it is easy to misdiagnose, which will affect the treatment of rectal cancer. Because of the special location of rectal cancer, it is difficult to have a radical effect. For several common advanced symptoms of rectal cancer? Do you know anything about this? Now let's talk about several common symptoms of advanced rectal cancer.
Several common advanced symptoms of rectal cancer
Symptom 1: symptoms caused by local infiltration of tumor: when there is extensive infiltration in the pelvic cavity of rectal cancer, it can cause pain and swelling in the waist and sacral part; when the tumor infiltrates or compresses the sciatic nerve and obturator nerve root, it can cause sciatic nerve and obturator nerve pain; when the tumor invades the vagina and bladder mucosa, it can cause vaginal bleeding and hematuria, and when the tumor affects the ureters on both sides, it can cause urination Amenorrhea, uremia.
Symptom 2: the symptoms caused by tumor blood diffusion: the chance of vascular infiltration in the rectum less than 6cm away from the anus is 7 times higher than that in the upper rectum and colon. The most common sites of blood metastasis are liver, lung and bone, and the corresponding symptoms can appear clinically.
Symptom 3: clinical symptoms caused by implantation and dissemination: when the cancer invades the serous surface, the cancer cells can fall off and enter the free abdominal cavity. They can be planted on the peritoneal surface, cystorectal fossa and other parts, and the nodules in this area can be touched by digital rectal examination.
matters needing attention
Early symptoms are not obvious, and very similar to the symptoms of hemorrhoids, it is difficult to distinguish, but also because of attention.