Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . Right basilar opacity and patchy opacity projecting over the right mid lung are worrisome for pneumonia . There is also patchy lateral left base opacity , which may be due to chronic changes , although an additional site of infection is not excluded . No large pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable and stable .
    OUTPUT:
    
Right base opacity and to a lesser extent patchy opacities in the right mid lung are worrisome for pneumonia . Subtle patchy lateral left base opacity may be due to chronic change / known bronchiectasis ; however , additional site of infection is not excluded .