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Comparison of symptoms with respect to site of lesion

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

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

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