The most common symptoms of colorectal cancer are:
• change in bowel habit and frequency
• diarrhoea
• spasmodic abdominal pain
• blood in stool
• chronic constipation
However, the symptoms of colorectal cancer are usually very vague, non-specific and can be from different diseases. Furthermore, these symptoms usually appear only in the later stages of the disease and many people with early stage colorectal cancer may not have any symptoms at all. Therefore, it is difficult to diagnose colorectal cancer based on symptoms alone and screening is vital in providing more accurate diagnosis and management
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