Aspirin use and cancers of the upper aerodigestive tract

The role of aspirin on the risk of cancers of the upper aerodigestive tract was investigated in the combined data of three Italian case-control studies, including 965 cases and 1779 hospital controls. The odds ratio was 0,33 for users of greater than or equal to5 years, and 0.51 for greater than or equal to5 years since first use. (C) 2003 Cancer Research UK.