Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy right upper lobe opacity is worrisome for pneumonia . Right base opacity may be due to overlap of structures although it additional focus of pneumonia is not excluded . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable in unremarkable .
    OUTPUT:
    
Patchy right right upper lobe opacity worrisome for pneumonia . Additional right base opacity more likely due to overlap of vascular structures although a second site of scratch pneumonia is not excluded in the appropriate clinical setting .