Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the immediate prior study of ___ , there is little relevant change . Low lung volumes , moderate cardiomegaly , and standard positioning of all lines and tubes is unchanged . There may be a small left pleural effusion . There is no focal consolidation or pneumothorax . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
No change compared with prior study .