Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small left pleural effusion is slightly larger when compared to previous exam and there is suspected left lower lobe atelectasis which had been seen on prior . There is no significant right pleural effusion . Increased interstitial markings seen in the lungs particularly in the mid to upper lung zones , with an appearance similar compared to prior . There is no consolidation or edema . Cardiac silhouette is stable . Compression deformity of a mid thoracic vertebral body is unchanged .
    OUTPUT:
    
Slightly larger left pleural effusion and chronic changes in the lungs . No focal consolidation .