Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased heart size is stable . Pulmonary vascularity has mildly improved . No edema . Prominent nipple shadows . No effusion . No pneumothorax . Tubes have been removed . Surgical clip right upper quadrant . Left infrahilar opacity has mildly improved .
    OUTPUT:
    
Mildly improved pulmonary vascularity and left infrahilar opacity .