Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal views of the chest . Endotracheal tube terminates 2 .5 cm above the carina . NG tube terminates in the stomach with its side hole just below the level of the GE junction . Lung volumes are low , exaggerating heart size . The aorta is tortuous and may be enlarged . Lungs are clear without focal consolidation , pleural effusion , or pneumothorax . Patient is status post CABG . A lower right anterior rib fracture is of uncertain chronicity . There is incompletely imaged lumbar spine dextroconvex scoliosis .
    OUTPUT:
    
1 . Endotracheal tube terminates 2 .5 cm above the carina , and may be withdrawn by 1 .5 cm for more optimal position . NG tube terminates in the stomach with it s side hole just below the level of the GE junction . 2 . Right lower rib anterior fracture of uncertain chronicity .