Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is detected . Tiny nodular density projecting over the upper lung field on lateral view only is likely external to the patient as it is not seen on frontal view . Heart and mediastinal contours are within normal limits .
    OUTPUT:
    
No acute cardiopulmonary process .