comparison of symptoms with respect to site of lesion
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The symptoms of colorectal cancer vary with respect to site of the tumour. Some general features associated with tumours are:
- right sided tumours - often are painful, palpable mass in 70%, rectal bleeding in 20%
- left sided tumours - change in bowel habit in 60%, palpable mass in 40%, pain less frequent feature
- rectal - change in bowel habit commonest presenting feature, bleeding in 60%, rarely associated with pain
Last reviewed 01/2018