Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lung volumes are low limiting assessment . There is ill - defined opacity in the left mid and lower lung and to a lesser extent in the right lower lung which may represent multifocal pneumonia . Compared with the recent prior exam from ___ , there is minimal change . No large effusion or pneumothorax is seen . The cardiomediastinal silhouette is stable . No bony abnormalities . No free air below the right hemidiaphragm .
    OUTPUT:
    
Multifocal opacities in the left mid and lower lung as well as the right lower lung may represent pneumonia . Given that this is a nonresolving opacity present since mid ___ , may consider CT to further evaluate as an underlying neoplasm can not be excluded .