Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In the interval since the prior study , there is new right lower lobe opacity which may be due to infection / pneumonia or aspiration . Left base retrocardiac opacity is also seen with some obscuration of the left hemidiaphragm which may be due to atelectasis , although an underlying consolidation is not excluded . There is no evidence of pneumothorax . Multiple old right - sided rib fractures are again seen . The cardiac and mediastinal silhouettes are stable . A subcentimeter left lower lobe calcified granuloma is again seen .
    OUTPUT:
    
Interval development of right lower lobe consolidation worrisome for infection or aspiration . Correlate clinically . Left base atelectasis . No pneumothorax .