Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is opacification of the right hemithorax as before . Bronchovascular markings are prominent on the left , as on the earlier study . Density at the left lung base appears somewhat increased . Mediastinal structures are unchanged . A chest tube remains in place on the right .
    OUTPUT:
    
Interval increase in left basilar density which in the reflect developing parenchymal consolidation . No other change .