Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal and hilar contours remain stable with moderate cardiomegaly . There is no pneumothorax or left pleural effusion . A new small right pleural effusion is present . Slight venous engorgement is new without overt pulmonary edema . There is no focal consolidation concerning for pneumonia .
    OUTPUT:
    
New small right pleural effusion without increase in heart size or pulmonary edema . This appearance may be explained by improved heart failure , with a small residual right pleural effusion .