Table 2

 Fractions of tumours with features in relation to tumour location

Proximal colonDistal colonp-value
Poorly differentiated/undifferentiated tumours0.680.10<0.01
Expanding growth pattern0.880.25<0.01
Morphological heterogeneity0.530.60NS
Tumour-infiltrating lymphocytes0.760.33<0.05
Peritumoural lymphocytes0.840.67NS
Crohn-like reaction0.410.50NS