Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , but there are no focal consolidations concerning for pneumonia . Cardiac size remains stable ; a prominent fat pad is noted on the left . The right hemidiaphragm is elevated . There is no pleural effusion or pneumothorax . Aorta is again tortuous . There is no evidence of free air . Assessment for volvulus will be performed on the subsequent CT of the abdomen and pelvis .
    OUTPUT:
    
No evidence of free air or acute cardiopulmonary process .