Fig. 9From: An overview of thoracic actinomycosis: CT featuresActinomycosis involving the chest wall in a 75-year-old woman, manifesting as a palpable mass on the left chest wall. Axial CT image shows a heterogeneous mass with central low attenuation and peripheral enhancement on the left chest wall, contiguous with consolidation (arrow) in lung parenchyma, and pleural effusionBack to article page