and a significant association between substitution of pork for lamb [adjust IRR per 25 g/d = 0.69 (95% CI: 0.52-0.92)].For rectal cancer, there was no association between substitution of fish for red meat or poultry for red meat; however , there was an indication of an inverse assocoation between substitution of fish for pork [adjust IRR per 25 g/d = 0.83 (95% CI: 0.69-1.00)]. P= 0.0527] significan inverse assocoation between substitution of poultry for pork lamb [adjust IRR per 25 g/d = 0.79 (95% CI: 0.64-0.98)] Among red meat types, substition of pork for beef was associated with a significantly higher risk for rectal cancer [adjust IRR per 25 g/d = 1.43 (95% CI: 1.11-1.84)]