Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest demonstrates pulmonary vascular congestion with increased opacity at the left base and right middle lung zone concerning for possible concurrent pneumonia . No pleural effusions or pneumothorax is seen . The cardiac and mediastinal contours are within normal limits .
    OUTPUT:
    
Pulmonary vascular congestion and asymmetric opacities in the left base and right middle lung zones , concerning for concurrent pneumonia .