Hemoptysis (may be initially absent in up 33% of<unk>  presentations) 
Anemia<unk>  lung infiltrates
Acute hypoxemic respiratory failure
Diffuse alveolar hemorrhage
Idiopathic small vessel vasculitis
Immersion pulmonary edema
Granulomatosis with polyangiitis 
Flash pulmonary edema
Churg-Strauss syndrome
Reexpansion pulmonary edema
Microscopic polyangitis