Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy left mid to lower lung opacities are worrisome for lingular M possible left lower lobe pneumonia . Subtle right mid lung opacity is also seen . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Left mid to lower lung opacities , involving the lingula and left lower lobe , are worrisome for pneumonia . Subtle focal opacity in the right mid lung raises concern for additional site of infection .