Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the study of ___ , there is increasing opacification at the left base posteriorly , bounded anteriorly by the major fissure , consistent with left lower lobe pneumonia . Continued enlargement of the cardiac silhouette without substantial vascular congestion . This raises the possibility of cardiomyopathy or pericardial effusion .
    OUTPUT:
    
Left lower lobe pneumonia . Information has been telephoned to Dr . ___ .