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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]
While each type of cancer has its own distinctive symptoms, most indicate their presence by the occurrence and the prolonged presence of any common symptom. [1] Some of the general symptoms of cancer in cats are: [3] Any lump that changes shape or size; Any sore that does not heal; Change in bowel or bladder habits; Difficulty eating or swallowing
Early pancreatic cancer does not tend to result in any symptoms, but when a tumor is advanced, a patient may experience severe pain in the upper abdomen, possibly radiating to the back. [8] Another symptom might be jaundice, a yellowing of the skin and eyes. [9] Pancreatic cancer has a poor prognosis, [2] with a five-year survival rate of
Bowel cancer is the fourth most common type of cancer in the UK
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Fecal occult blood testing (FOBT), as its name implies, aims to detect subtle blood loss in the gastrointestinal tract, anywhere from the mouth to the colon.Positive tests ("positive stool") may result from either upper gastrointestinal bleeding or lower gastrointestinal bleeding and warrant further investigation for peptic ulcers or a malignancy (such as colorectal cancer or gastric cancer).
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Blood in stool looks different depending on how early it enters the digestive tract—and thus how much digestive action it has been exposed to—and how much there is. The term can refer either to melena, with a black appearance, typically originating from upper gastrointestinal bleeding; or to hematochezia, with a red color, typically originating from lower gastrointestinal bleeding. [6]