Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is an increasing opacity in the right middle lobe suggesting pneumonia as well as an increased left lower lobe opacity that is best depicted on the frontal view . Involvement of the right lower lobe is also possible . There are no definite pleural effusions . There is no pneumothorax .
    OUTPUT:
    
Worsening pneumonia in the left lower lobe and right middle lobe .