Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval improvement in aeration of the right lung base with residual linear atelectasis . Lung volumes are grossly unchanged . There is persistent moderate cardiomegaly . No pleural effusion or consolidation seen . A dense opacity at the right upper lobe is likely a calcified granuloma . Calcifications in the left upper abdomen are consistent with splenic granulomas .
    OUTPUT:
    
Interval improvement of the right lower lobe airspace opacity .