Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . There is blunting of one of the posterior costophrenic angles compatible with effusion . The lungs are otherwise unremarkable without consolidation or overt pulmonary edema . Moderate cardiomegaly is again noted . No acute osseous abnormalities detected .
    OUTPUT:
    
Small effusion . Otherwise no significant interval change .