A young runner with history of seasonal running nose, complains of sudden onset dyspnea early morning that improved after 2-3 hours. He has history of similar episodes in the past.on examination, patient is tachypneic, diffuse polyphonic expiatory wheeze heard on auscultation of chest, His x-ray is  normal. All except one is true regarding the clinical scenario.
Clinical features are suggestive of Bronchial Asthma. There is no necrosis of airway in Bronchial Asthma.