Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright view of the chest . There is no intra-abdominal free air . Low lung volumes contribute to bibasilar atelectasis . No pneumonia . No pleural effusion . No pulmonary edema . Left IJ ends in the upper SVC .
    OUTPUT:
    
No evidence of intra-abdominal free air .