Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a right - sided IJ which terminates in the low SVC . Overall , there appears to be slight interval increase in the opacity projecting over the left hemithorax with opacification of the left lung base and obscuration of the left hemidiaphragm . The right lung base opacity appears to have minimally improved in the interim . There is no evidence of a pneumothorax .
    OUTPUT:
    
Slight interval increase in the left lung opacification .