40 years old male patient came with complaint of dry cough and dyspnoea. On lung function tests, restrictive pattern of decreases lung function is seen. Chest x-ray showed few reticular opacities in bilateral lung. HRCT of lung was performed which shows GGO in bilateral lung fields sparing sub-pleural region. Most probable diagnosis is
High-Yield Explanation
Interstitial Lung Disease UIP (Usual interstitial pneumonia) NSIP (Non - specific interstitial pneumonia) Reticular opacities Traction bronchiectasis Subpleural honeycombing Subpleural sparing