Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . A right upper lobe mass is again seen measuring approximately 5 .8 x 5 .7 cm , concerning for primary lung malignancy as seen on recent prior chest CT exam . Please correlate clinically . There is no new consolidation , large effusion or evidence of pneumothorax . Cardiomediastinal silhouette is unchanged . Bony structures appear intact .
    OUTPUT:
    
Large right upper lobe mass as seen on prior CT of the chest . No pneumothorax .