Stony dullness on percussion
Pleural effusion
Bilateral hilar lymphadenopathy
Sarcoidosis
Kussmaul breathing
Diabetic ketoacidosis
Cold agglutins
Mycoplasma pneumonia
Panacinar emphysema
Alpha-1-antitrypsin deficiency
40+ Years Old & bilateral fine-end inspiratory crackles
Idiopathic pulmonary fibrosis
Caseating granulomas / caseous necrosis in lungs
TB
Non-caseating granulomas in lungs
Sarcoidosis