Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There are relatively low lung volumes . It is difficult to exclude small bilateral pleural effusions , particularly on the left . Minimal left mid lung atelectasis is seen . There is mild central pulmonary vascular engorgement . The cardiac silhouette is mildly enlarged . Mediastinal contours are grossly stable given differences in inspiration .
    OUTPUT:
    
1 . Mild central pulmonary vascular engorgement . Small bilateral pleural effusions versus pleural thickening ; finding has been seen on frontal radiograph from at least ___ and may represent pleural thickening . 2 . Mild enlargement of the cardiac silhouette .