Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . When compared to prior , there has been no significant interval change in the size of the bilateral pleural effusions . There is no significant pulmonary vascular engorgement . Cardiac silhouette is grossly unchanged but limited due to bibasilar abnormalities . Hypertrophic changes are again seen in the spine . G - tube not clearly identified . No free air identified below the diaphragm .
    OUTPUT:
    
Moderate bilateral pleural effusions , not significantly changed from prior . No free air below the diaphragm .