<unk>  <unk>  is a lung disease of unknown cause that is characterized by alveolar capillary bleeding and accumulation of haemosiderin in the lungs. It is rare, with an incidence between 0.24 and 1.23 cases per million people.
Idiopathic pulmonary haemosiderosis
Melioidosis
Sarcoidosis
Extrapulmonary tuberculosis
Chronic pulmonary aspergillosis
Tuberculosis
Allergic bronchopulmonary aspergillosis
Amyloidosis