Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . Consolidative retrocardiac opacity has increased since ___ . Faint right lower lobe opacity is unchanged . Indistinct left costophrenic angle suggests small pleural effusion . No pneumothorax . The right lung appears clear . Heart size and cardiomediastinal contours are normal .
    OUTPUT:
    
Worsening left lower lobe pneumonia . Findings were communicated via phone call by Dr . ___ to Dr . ___ ___ on ___ at ___ PM .