Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild pulmonary edema is unchanged since ___ . Heart size is mild to moderately enlarged and similar since at least ___ . Bilateral lower lung opacities and increased retrocardiac density , likely represent atelectasis and / or consolidation in combination with bilateral pleural effusions , mild - to - moderate left and minimal right , and has not really changed much since last 24 hours . Concurrently associated bilateral lower lung infection can not be ruled out , and needs clinical correlation .
    OUTPUT:
    
Mild - to - moderate pulmonary edema , bilateral lower lung opacities due to combination of atelectasis and / or consolidation , mild - to - moderate left and minimal right pleural effusions and mild to moderately enlarged heart size have not changed over last 24 hours . Concurrently associated infection in lower lungs can not be ruled out , clinical correlation is required .