Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously noted left lung base opacity has substantially improved , likely representing resolving post - procedure hemorrhage . No new areas of consolidation are identified . No pneumothorax or large pleural effusions . Right port - a- cath terminates at the lower SVC . Endotracheal tube has been removed . Cardiomediastinal silhouette is stable .
    OUTPUT:
    
Interval improvement of left lung base opacity , possibly representing resolving hemorrhage . Interval improvement and now new opacity due to underlying infection or new hemorrhage , is not excluded .