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Figure 2:
The distribution of colorectal cancers. 30% palpable PR, 70%
within reach of the 60 cm flexible scope. Flexures favoured sites.
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Most tumors of the colo-rectum are within 60 cm of the anus. It has been
reported that 30% are palpable on digital rectal examination. The flexures
of the bowel appear to be favoured sites; the main site is the
recto-sigmoid junction.
Adrian P. Ireland
