Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy opacity projecting over the superior aspect of the left lower lobe is worrisome for pneumonia . There is also a patchy opacity projecting over the medial right upper lung which may in part relate to overlap of structures however , is concerning for second site of infection . No pleural effusion or pneumothorax is seen . Cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Superior left lower lobe pneumonia . Possible additional site of pneumonia in the medial right upper lobe .