Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . The exam is limited secondary to technique . The lungs are grossly clear . Costophrenic angles are not well seen secondary to technique and overlying soft tissues . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities detected . Vertically - oriented metallic linear density projects over the oral cavity , likely a tongue piercing .
    OUTPUT:
    
No acute cardiopulmonary process .