Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . The heart is at the upper limits of normal size . There is a patchy new opacity in the anterolateral portion of the right lower lobe with a suspected very small effusion . Vague opacity also projects over the lateral right mid lung on the PA view . There is no pneumothorax . Bony structures are unremarkable .
    OUTPUT:
    
Patchy new right basilar opacity and vague right mid lung opacities , which could be seen with pneumonia in the appropriate clinical setting . No evidence for congestive heart failure .