2. Adult patients with smoking history and no clinical manifestation of COPD who will be recruited form the institute of pulmonary medicine and the otolaryngology outpatient clinic.
3. Adult patients with lung disease unrelated to smoking, i.e. bronchial asthma who will be recruited from the institute of pulmonary medicine
You may not be if
1. Patients with an acute disease or COPD exacerbation
2. Pregnant patients
3. Patients who were intubated ≤3 months prior to inclusion
4. Patients with a medical history of surgical intervention in the upper airway
5. Patients with a medical history of malignant disease in the upper airway
6. Patients who underwent radiotherapy of head and neck
Clareo Health | Prevalence of Malignant and Premalignant Lesions in the Head & Neck in Patients With Chronic Obstructive Pulmonary Disease
