Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Breast tissue overlying the lower chest , likely accounts for slight increased opacity . There is no definite sign of pneumonia or CHF . Cardiomediastinal silhouette is normal . No pleural effusion or pneumothorax seen . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Normal chest radiograph without signs of pneumonia .