Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided demonstrating a left upper lobe mass measuring 3 .2 x 2 .2 cm , similar to that seen on prior CT from ___ . Adjacent opacity likely reflect the atelectasis in this region . No new consolidation , effusion , or pneumothorax is seen . The cardiomediastinal silhouette is stable . Bony structures are intact .
    OUTPUT:
    
Left upper lobe mass , better assessed on prior CT of the chest , abdomen and pelvis .