Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable upright view the chest provided . There is a small partially layering right pleural effusion . The heart remains mildly enlarged . Mediastinal contour is normal . No signs of congestion or edema . No definite signs of pneumonia . No left effusion . No pneumothorax . Bony structures appear intact .
    OUTPUT:
    
Small partially layering right pleural effusion . Stable cardiomegaly . No convincing evidence for pneumonia or edema .