Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size remains mildly enlarged . The mediastinal and hilar contours are unchanged . Increased interstitial markings are demonstrated diffusely , similar compared to the prior exam . More focal opacity within the right lung base is also noted . Small bilateral pleural effusions are present . There is no pneumothorax . No acute osseous abnormalities identified .
    OUTPUT:
    
Mild interstitial pulmonary edema with small bilateral pleural effusions . More focal opacity in the right lung base may reflect an area of developing infection . Follow up radiographs after diuresis are recommended .