Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ , inspiratory volumes are lower , with bibasilar patchy opacities . There is minimal blunting of the right costophrenic angle , consistent with a small effusion . No overt CHF . Pleural parenchymal thickening along the superolateral portion of both hemithoraces , right greater the left , is noted , unchanged . The heart is not enlarged . Aorta is calcified . The left hemidiaphragm is elevated , with underlying loop of gas distended bowel ( probable gastric fundus ) . No free air is detected beneath the diaphragm . Distended loops of bowel noted in the upper abdomen , but the abdominal gas pattern not effectively evaluated .
    OUTPUT:
    
1 . No free air detected beneath the diaphragms . 2 . Bibasilar patchy opacities and trace right pleural effusion . The differential diagnosis includes atelectasis , early infiltrate or aspiration .