Medical Diagnosis Pathophysiology Clinical Manifestations Diagnostic Studies Complications Metastatic Colorectal Carcinoma Metastatic colorectal cancer is cancer that has spread, or metastasized, through either the bloodstream or the lymph node system, to other parts of the body, such as the liver, lung, or ovary. Symptoms can include: o a change in bowel habits such as diarrhea, constipation, or narrowing of the stool that lasts for more than a few days o a feeling that you need to have a bowel movement that is not relieved by doing so o rectal bleeding or blood in the stool (often, though, the stool will look normal) o cramping or steady abdominal (stomach area) pain o weakness and fatigue o pain in the belly o loss of appetite o unexplained weight loss However, you may not have symptoms at first, so screening is important. If your cancer has spread, you may have other symptoms,
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