Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right central line is unchanged . The left IJ line is been removed . There is a feeding tube with tip in the stomach . There are hazy bilateral infiltrates have slightly improved compared to prior . The heart is mildly enlarged . There is pulmonary vascular redistribution . There is no definite effusion .
    OUTPUT:
    
Slight improvement in alveolar infiltrates