Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette is grossly stable . There is increased prominence of the AP window which may be vascular but underlying lymphadenopathy is not excluded .
    OUTPUT:
    
No focal consolidation to suggest pneumonia . Increased prominence at the AP window which may be prominence of the main pulmonary artery , but underlying lymphadenopathy is not excluded . Findings could be further evaluated on chest CT .