Symposium
Chairs: C. Brightling (Leicester (Leicestershire), United Kingdom), P. Hellings (Leuven, Belgium)

Differential diagnosis of united airway disorders (affecting the upper and lower airways) P. Hellings (Leuven, Belgium)
Chronic rhinosinusitis: from endotyping to biologicals C. Bachert (Ghent, Belgium)
Cough in the upper airway with vocal cord dysfunction O. Ozgursoy (Ankara, Turkey)
Laryngeal cancer and lung cancer in heavy smokers: two sides of the same coin? A. Castro (Santa Maria da Feira, Portugal)