A 50 year old male with dyspnea, dry cough, fatigue, anorexia, shows raised ESR, typically restrictive pattern in PFT. HRCT shows honey combing in subpleural zone and basal locations: Probable diagnosis is:
Idiopathic pulmonary fibrosis Idiopathicpulmonaryfibrosis Sarcoidosis Asbestosis Lymphangitis carcinomatosa