Colonoscopy is a procedure that enables the gastroenterologist to evaluate the inside of the colon (large intestine or large bowel). The colonoscope is a long, flexible tube  with a camera and a source of light at its tip. 
                                
                                
Polypectomy-Mucosectomy
 
 Band ligation of hemorrhoids using Said Six Shooters
 
 Colonic dilation and stenting
 
     Management of bleeding per rectum with clipping hemostasis