Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are within normal limits . Both lungs show no evidence of pneumothorax or pleural effusion . A subtle double density noted anteriorly on the lateral view with no definite correlate on the frontal view may represent early pneumonia . There is prominence of bronchovascular markings . Bony structures are intact .
    OUTPUT:
    
1 . Subtle double density anteriorly only on the lateral view with no correlate on the frontal view may represent early pneumonia . Please correlate clinically . 2 . Prominence of bronchovascular markings .