Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Given slightly low lung volumes , the lungs appear clear . Cardiac size is within normal limits . There is no pleural effusion , pulmonary edema or pneumothorax . The lateral view is limited due to overlying soft tissues and the low lung volumes . L - shaped metallic density along with 2 other small densities , one projecting right of the trachea the other near the left shoulder are presumed to be external to the patient .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary process . 2 . L - shaped metallic density ( question external jugular line ? ) along with 2 other small densities , one projecting right of the trachea the other near the left shoulder are presumed to be external to the patient . Correlate clinically .