Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously visualized right medial basal parenchymal opacity has increased in comparison to the prior study . Additionally , there is new increased opacification of the left lower lobe . These findings are most suggestive of an infectious process , possibly due to aspiration . Cardiac and mediastinal silhouettes remains stable with moderate cardiomegaly . No large pleural effusion is identified but there is blunting of bilateral hemidiaphragms and small pleural effusions may be present . No pneumothorax .
    OUTPUT:
    
Worsening of previously visualized right medial basal parenchymal opacity with new opacification of the left lower lobe . These findings are suspicious for worsening bibasilar infectious process , possibly due to aspiration .