Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . There are relatively low lung volumes . Given this , no focal consolidation , large pleural effusion , or evidence of pneumothorax is seen . Possible cervical rib is seen on the right . Cardiac and mediastinal silhouettes are stable . The patient is rotated to the left .
    OUTPUT:
    
Low lung volumes without definite evidence of acute cardiopulmonary process .