Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a 9 mm dense ovoid opacity projecting in the posterior left lower lobe . The nodular opacity is dense and may be calcified however , this is not confirmed on chest radiograph and nonurgent chest CT is recommended for further evaluation . The remainder of the lungs are clear . No focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal mildly enlarged . Mediastinal and hilar contours are unremarkable . Degenerative changes seen along the spine .
    OUTPUT:
    
9 mm dense ovoid opacity projecting in the posterior left lower lobe . The nodular opacity is dense and may be calcified however , this is not confirmed on chest radiograph and nonurgent chest CT is recommended for further evaluation . The remainder of the lungs is clear .