Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are new heterogenous parenchymal opacities involving the right upper lobe and right lower lobe , compatible with patient 's recent history of aspiration . Opacity along the medial aspect of the right apex likely represents post-radiation changes , and was noted as far back as the ___ CT Torso . Small right pleural effusion is not significantly changed from prior . The left lung is essentially clear . No pneumothorax . The mediastinum , hila and heart are within normal limits .
    OUTPUT:
    
1 . New heterogenous parenchymal opacities in the RUL and RLL , compatible with aspiration pneumonia . 2 . Stable post-radiation changes in right paramediastinal lung .