Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly and mild pulmonary vascular congestion appear overall stable compared to the prior exam . There is a focal consolidation in the right lower lobe , which appears new compared to the prior exam . Small left pleural effusion appears stable . The aorta is mildly tortuous , otherwise the hilar mediastinal contours are normal . There is no evidence of a pneumothorax .
    OUTPUT:
    
Opacification of the right lung base is concerning for pneumonia . Stable small left pleural effusion .