For individuals with MS and cancer, breast cancers are less likely to be detected through screening and colorectal cancer is more likely to be detected early, according to a study published in Neurology. Patti A. Groome, PhD, and colleagues compared the diagnostic route, cancer stage, and diagnostic interval among patients with MS and breast cancer, matched patients with breast cancer without MS, patients with MS and colorectal cancer, and matched patients with colorectal cancer without MS. MS was associated with reduced odds of screen-detected cancers in breast cancer (OR, 0.68; 95% CI, 0.52-0.88) and possibly colorectal cancer (OR, 0.52; 95% CI, 0.21-1.28). There was no association for MS with differences in breast cancer stage at diagnosis (stage 1: OR, 0.81; 95% CI, 0.64-1.04), but there was an association for MS with increased odds of stage 1 colorectal cancer (OR, 2.11; 95% CI, 1.03-4.30).