Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate clear lungs , with note made of nipple shadows . There is no effusion or pneumothorax . The cardiac silhouette and mediastinal contours are normal appearing . The pulmonary vasculature is normal .
    OUTPUT:
    
No acute chest pathology . Consider nipple markers on subsequent radiographs .