colorectal cancer detection kit; patient monitoring software; apathy; artificial intelligence; cancer screening; colon capsule endoscopy; colonoscopy; colorectal cancer; communication barrier; computed tomographic colonography; coronavirus disease 2019; cultural factor; deterioration; embarrassment; health care access; health care cost; health care personnel; health care planning; health care surveillance; health care system; home care; human; note; occult blood test; population health management; postal mail; public service announcement; quality control; sigmoidoscopy; socioeconomic parameters; telemedicine