Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . A subtle nodular opacity projecting over the right lower lung corresponds with a right lower lobe nodule on prior CT . Otherwise lungs are clear . There is no focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
1 . No signs of pneumonia . 2 . Subtle nodular opacity projecting over the right lower lung compatible with a nodule seen on prior CT . If patient has elevated risk factors for malignancy , consider nonemergent CT chest to further assess .