Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated with underlying emphysema . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . 8 mm nodular opacity projecting over the left lower lung field likely represents a prominent left nipple . No radiopaque foreign body is seen projecting over the expected course of the esophagus .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process . No radiopaque foreign body projecting over the expected course of the esophagus .