<unk>  (not to be confused with silo-filler's disease) is a hypersensitivity pneumonitis induced by the inhalation of biologic dusts coming from hay dust or mold spores or any other agricultural products. It results in a type III hypersensitivity inflammatory response and can progress to become a chronic condition which is considered potentially dangerous.
Farmer's lung
Bird fancier's lung
Metsovo lung
World Trade Center lung
Saber-sheath trachea
Underwood's septa
Flock worker's lung
Bronchitis kettle