This equipment is used to examine the large intestine or colon, another part of the body where cancers occur very commonly. Indeed, colon cancers can be very aggressive and deadly, yet can be fully treatable if diagnosed in time. In much of the developed world, colonoscopy is performed as part of an annual or routine physical exam in persons aged 50 years and over. Kelina has brought this technology home. As with the deodenoscope, biopsy samples can be taken with the colonoscope as well, so as to obtain additional information from detailed laboratory analysis.