Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . As before , there is a left - sided pacemaker with associated right atrial and right ventricular leads . Heterogeneous opacities in the right lower lobe are new compared to the prior radiographs from ___ , concerning for either aspiration pneumonitis or pneumonia . There is minimal left basilar atelectasis . A small right pleural effusion is not significantly changed in size . The heart size is top normal . The mediastinal contours are normal . Aortic knob calcifications are seen . There is no pneumothorax . There is evidence of a calcified left ventricular aneurysm , better seen on prior CT from ___ .
    OUTPUT:
    
1 . Right lower lobe aspiration pneumonitis versus pneumonia , new compared to prior radiographs from ___ . 2 . Small right pleural effusion , not significantly changed . Findings were discussed with Dr . ___ by Dr . ___ at 5 :34 p .m . via telephone on the day of the study .