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The growth of precancerous cells on the cervix, or cervical dysplasia, indicates that abnormal cells have developed on the cervix, according to the University of Maryland Medical Center. Cervical dysplasia is separated into low-grade and high-grade categories based on the extent of abnormal cell gro


According to the Mayo Clinic, uterine polyps are often non-cancerous, or benign. Also known as endometrial polyps, uterine polyps are growths on the inner wall of the uterus that extend into the uterine cavity. They are caused by an overgrowth of cells within the uterine lining.


Uterine polyps are either benign, precancerous or cancerous, and benign uterine polyps do not always become cancerous, according to Mayo Clinic. A woman can have a single polyp or several polyps ranging in size from a few millimeters to several centimeters, and most are benign.


Symptoms of precancerous lesions include persistent scaly patches frequently on the scalp or lip, small horn-shaped growths, and moles that are oddly colored, oddly shaped or changing. Precancerous lesions are identified by WebMD as abnormalities in skin cells that may become cancer.


Both flat and protruding polyps can develop into cancer, according to colon cancer expert Suzanne Dixon for About.com. The flat polyps, also called sessile polyps, rest on the mucus membrane inside the colon. Unlike the protruding, or pedunculated, polyps that look like mushrooms, flat polyps do not


The liver does not develop polyps, but it can develop both cysts and tumors, according to Cleveland Clinic. Liver cysts occur in approximately 5 percent of the population. Cystic tumors may be benign or develop into cancerous growths, which are referred to as cystadenocarcinoma.


Lung nodules rarely produce any symptoms. However, in certain cases, symptoms may include chronic cough, wheezing and shortness of breath. Lung nodules are small growths that form from tissue, states Mayo Clinic.


The cause of colon polyps is unknown as of October 2014, according to Healthline and the American Society for Gastrointestinal Endoscopy. However, risks for developing colon polyps include having a family history of them, a history of ovarian or uterine cancer, having a high-fat and low-fiber diet a


Colonic polyps usually have no symptoms, explains Mayo Clinic. Patients may not know they have polyps until the doctor notices them during a bowel examination. However, some people may encounter symptoms such as rectal bleeding, change in bowel habits, pain, vomiting and nausea. Other possible sympt


Colon polyps are growths that develop along the inner lining of the large intestines and penetrate into the colon, according to MedicineNet. The size of the growths can vary.