Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged but unchanged . The aortic knob is calcified . Mediastinal and hilar contours are similar . There is no pulmonary edema . Streaky opacity is seen within the right lower lobe . No pleural effusion or pneumothorax is seen . Multiple old right - sided rib fractures are demonstrated . No acute osseous abnormalities seen .
    OUTPUT:
    
Streaky opacity in the right lower lobe which is concerning for pneumonia in the correct clinical setting .