Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly hypoinflated with crowding of vasculature and left lower lobe atelectasis . Mild perihilar interstitial prominence is noted . No vascular engorgement . No pleural effusion or pneumothorax . Heart size , mediastinal contour and hila are unremarkable .
    OUTPUT:
    
Mild perihilar interstitial prominence without pleural effusions or vascular engorgement is suggestive of atypical pneumonia . Clinical correlation recommended .