Efficiency of screening colonoscopy for diagnosis of precancerous and canserous disease of digestive tract

Abstract

Colorectal cancer (CRC) is the third most common malignant neoplasm worldwide. According to World Gastroenterology Organization CRC is the second leading cause of cancer deaths among men and women that makes more than 500 000 cases in a year. This type of cancer is difficult to diagnose at an early stage that indicates high demand for introduction of the CRC population screening program. On recommendation WGO “ideal colonoscopy screening” has to be simple and cheap. Though colonoscopy screening program is partially functioning in US the CRC incidence steadily decreases by 3% each year. Nowadays CS is not held for all population of Kazakhstan. The aim of this work is assessment of possibility and efficiency of early endoscopy screening for malignancy of digestive tract.