Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Right - sided effusion is resolved . Left effusion is improved . No focal consolidation or pneumothorax . Sternotomy wires , prosthetic mitral valve , and central venous catheter tips appear stable from ___ .
    OUTPUT:
    
1 . Right - sided effusion is resolved . 2 . Left effusion is improved .