Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . There are streaky bibasilar opacities and patchy retrocardiac opacity . There is mild pulmonary vascular congestion and a trace left pleural effusion . There is no pneumothorax . The cardiomediastinal silhouette is normal . Compression deformity of T11 appears similar to ___ . Compression deformity of L1 is age - indeterminate . No free air below the right hemidiaphragm is seen . Surgical clips are again seen in the right upper quadrant .
    OUTPUT:
    
1 . Bilateral streaky and patchy opacities likely represent atelectasis , but in the appropriate clinical setting , patchy retrocardiac opacity could represent very early pneumonia . 2 . Compression deformity of L1 is age - indeterminate .