Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are again low , which accentuates the cardiomediastinal silhouette . There is a hazy opacity in the right upper lobe . There is mild pulmonary vascular congestion . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen . No pleural effusions or pneumothoraces are seen . Hardware within the lower cervical spine is seen .
    OUTPUT:
    
Hazy opacity within the right upper lobe which is equivocal for developing pneumonia . There is slight fluid overload .