Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Phenotypic heterogeneity of CRS on the basis of polyposis. Computed tomography scans show the differential extent of inflammation and sinonasal blockage in healthy subjects (A), patients with chronic rhinosinusitis without nasal polyps (B), and patients with chronic rhinosinusitis with nasal polyps (C).
