Type II: Chronic sinusitis with nasal polyps Phase 1: Single sinusitis Phase 2: Multiple sinusitis Phase 3: Total sinusitis Type II: Chronic sinusitis with nasal polyps Phase 1: Single sinusitis with solitary nasal polyps Phase 2: Multiple sinusitis with multiple nasal polyps Phase 3: Total sinusitis with multiple nasal polyps Type III: Total sinusitis with multiple, recurrent nasal polyps and/or septal sinus osteomalacia