Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there has been substantial improvement in the right upper lobe and perihilar opacity , consistent with resolving hemorrhage post biopsy . There is no new focal consolidation , pleural effusion or pneumothorax . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Substantial improvement in right upper lobe and perihilar opacity consistent with resolving hemorrhage status post biopsy .