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The only definitive way to determine whether a polyp is cancerous is through a biopsy, according to the National Cancer Institute. Doctors remove polyps that they find during the course of a colonoscopy and biopsy them to see if cancerous tissue is present.


Some stomach, or gastric, polyps are cancerous while others are not, according to Mayo Clinic. The majority of them do not become malignant. However, adenomas, the rarest kind, are most likely to become cancerous. These masses of glandular cells on the inside lining of the stomach are linked to infl


People with polyps may experience rectal bleeding, stool color change, anemia due to iron deficiency, nausea and vomiting, according to Mayo Clinic. Polyps also manifest in bowel habit changes and abdominal pain. However, polyps typically don't result in symptoms.


As of 2014, doctors do not cite any absolute specific causes of colorectal polyps, but research suggests they may be caused by some genetic factors or prior conditions, notes Healthline. Additionally, those with certain unhealthy lifestyles or habits may be at an increased risk of developing polyps.


Most polyps are benign or noncancerous, according to the American Cancer Society. However, some types of polyps can lead to colon cancer, depending on the type of polyp and certain risk factors.


Polyp removal surgery is usually an outpatient surgery, according to WakeMed.The patient may be able to leave the hospital the day the surgery is done.


Bleeding after a polyp removal is a possible complication a few days after the procedure, notes MedlinePlus. Some women may experience abnormal bleeding from the vagina, especially between periods and after a sexual intercourse.


Most polyps are found and removed during sigmoidoscopy or colonoscopy screening, using biopsy forceps or a wire loop called a snare. If the polyp is larger than 0.75 inches, a liquid may be injected under it to help with its removal, explains Mayo Clinic.


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.


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.