Methodology: Clinical information was gathered retrospectively from 166 cases of surgically treated CRSwNP as well as 60 cases of chronic rhinosinusitis without nasal polyps (CRSsNP). A comparative ...

USA 2 Division of Anatomic Pathology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA Serrated polyps are common and have malignant potential. Approximately 30% of colorectal cancers ...