Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There is bilateral diffuse increase in interstitial thickening , with indistinctness of both hila and a small right - sided pleural effusion in the setting of moderate cardiomegaly . No focal opacities are identified . There is no pneumothorax .
    OUTPUT:
    
Mild interstitial pulmonary edema , trace right pleural effusion , and moderate cardiomegaly .