Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Chronic left lower lobe consolidation is noted which has been seen dating back to ___ . Given persistence over time , differential includes pneumonia versus scarring versus malignancy . There is biapical pleural parenchymal scarring . No large effusions . Cardiomediastinal silhouette is stable . Bony structures intact .
    OUTPUT:
    
Chronic consolidation in the left lower lobe for which differential considerations include pneumonia versus scarring versus malignancy . Consider CT to further assess .