Colon cancer

Polyps in the colon

Mutation of genetics

Formation of Cancer cells

Formation of malignant tumor

Obstructs the colon

Lower part of the colon:Feces cannot get out

Upper part of the colon:Stomach content cannot pass through the colon

Abdominal fullness

There are impacted feces

Ribbon like stool Nausea and vomiting

Decrease space for stool passage

Imperforation of the colon lining

Abdominal pain in the affected area

Abdominal distention

Constipation

Over exertion in defecation

Rectal perforation

Pain in the rectum

Loss of appetite

Weight loss

Precipitating factor Diet (high in fat, low

fiber) Constipation (>3 days) Chew tobacco Exposure to asbestos Eating food contaminated

with fungus

Predisposing factor

Genetics Past tumors Chemical

mutagen Age (older the

50) Gender

Melena; the color of the blood depends on the area of perforation