Pulmonary actinomycosis 15 of cases Aspiration of organism from the oropharynx Slowly progressive process involving lung and pleura May be mistaken for malignancy a Chest pain, fever, wgt loss and hemoptysisPulmonary Actinomycosis ◼ 15% of cases ◼ Aspiration of organism from the oropaharynx ◼ Slowly progressive process involving lung and pleura • May be mistaken for malignancy ◼ Chest pain, fever, wgt loss and hemoptysis