Cause of enlarged mediastinal and hilar lymph nodes? chest ct clear apart from nodes. chronic dry cough, breathless, intermittent fevers and lethargy?

Multiple causes: infection, inflammation, tumor or inhalered irritants canall cause these issues, which require intensive medical evaluation.

Infection vs tumor: Usually enlarged mediastinal and hilar nodes can represent granulomatous infection such as tuberculosis. In southwest coccidiodomycosis, in midwest brucellosis. Sometimes depends on age and immune system of individual. Most lymphomas either Hodgkins or Nonhodgkins can produce mediastinal and hilar nodes.Should seek physician for work up and therapy.