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The extent of diarrhea is graded based on severity, from 1 to 5. Grade 1 diarrhea is defined by an increase in the number of stools below four per day (compared with baseline). Grade 2 diarrhea is defined by an increase of 4–6 bowel movements per day. Grade 3 diarrhea is defined by an increase by 7 or more bowel movements per day.
The signs and symptoms of colorectal cancer depend on the location of the tumor in the bowel, and whether it has spread elsewhere in the body ().The classic warning signs include: worsening constipation, blood in the stool, decrease in stool caliber (thickness), loss of appetite, loss of weight, and nausea or vomiting in someone over 50 years old. [15]
Colon cancer staging is an estimate of the amount of penetration of a particular cancer. It is performed for diagnostic and research purposes, and to determine the best method of treatment. The systems for staging colorectal cancers depend on the extent of local invasion, the degree of lymph node involvement and whether there is distant metastasis.
A liver metastasis is a malignant tumor in the liver that has spread from another organ that is affected by cancer. The liver is a common site for metastatic disease because of its rich, dual blood supply (the liver receives blood via the hepatic artery and portal vein). Metastatic tumors in the liver are 20 times more common than primary liver ...
Primary signet ring cell carcinoma of the colon and rectum (PSRCCR) is rare, with a reported incidence of less than 1 percent. It has a poor prognosis because symptoms often develop late and it is usually diagnosed at an advanced stage. Five-year survival rates in previous studies ranged from nine to 30 percent.
Collagenous colitis is an inflammatory condition of the colon. Together with the related condition lymphocytic colitis, it is a subtype of microscopic colitis, which is characterized by inflammation that specifically affects the colon (i.e. colitis), and a clinical presentation that involves watery diarrhea but a lack of rectal bleeding.
Symptoms: Abdominal pain, diarrhea mixed with blood, weight loss, fever, anemia, [1] dehydration, loss of appetite, fatigue, sores on the skin, urgency to defecate, inability to defecate despite urgency, rectal pain [2] Complications: Megacolon, inflammation of the eye, joints, or liver, colon cancer [1] [3] Usual onset: 15–30 years or >60 ...
Colorectal cancer is a disease of old age. It typically originates in the secretory cells lining the gut, and risk factors include diets low in vegetable fibre and high in fat. If a younger person gets such a cancer, it is often associated with hereditary syndromes like Peutz-Jegher's, hereditary nonpolyposis colorectal cancer, or familial ...