Clinical manifestations and staging of colon cancer

Colon cancer at an early stage there is no obvious features, with the gradual development of the disease, will appear the following symptoms: blood in the stool or a jam-like stools, increased frequency of bowel movements, diarrhea, constipation, intestinal blockage, nausea, vomiting, abdominal swelling, bowel, abdominal pain, pelvic pain, anemia, weight loss, fatigue.
Currently, colorectal cancer staging tumors and adjacent mesentery are based mainly on histopathological examination, that is, TNM phase, TNM staging proposed in 1932 has been replaced by Dukes staging and improved Dukes staging. Modified Dukes staging prognosis of the disease-oriented, particularly in the adjuvant therapy has a greater value, however, Dukes stage name of the numerous applications difficult to Uniform Naming. TNM staging simple and applies to all colorectal cancer patients and access to diagnosis and treatment standards.