Are colonoscopy and sigmoidoscopy effective in reducing the mortality and incidence of colorectal cancer in colorectal cancer screening?
BACKGROUND: Colorectal cancer is usually asymptomatic until later stage and the 5-year survival for stage III or IV are 68% and 10 % because of delayed diagnosis. Worldwide, it is the 4th leading cause of death among cancers which accounted for 694,000 deaths in 2012. While healthy diet and lifestyl...
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| Language: | English |
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The University of Hong Kong (Pokfulam, Hong Kong)
2014
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| Online Access: | http://hdl.handle.net/10722/206954 |