| Namespace | disease_ontology | Obsolete | false |
| description | An idiopathic interstitial pneumonia which involves diffuse interstitial infiltration of involved areas mostly with T lymphocytes, plasma cells, and macrophages. Lymphoid hyperplasia is frequently seen. Onset is often slow with gradually increasing cough and breathlessness over 3 or more years. Fever, weight loss, chest pain, and arthralgia are occasionally found. Crackles may be detected as the disease progresses. |
