Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiac contour enlargement has significantly increased since ___ , it is explained by known pericardial effusion that has already been assessed by sonogram . There were no signs of tamponade on the recent sonogram . The lungs are clear . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
1 . The lungs are clear . There is no sign of active or latent TB . 2 . Moderate cardiac contour enlargement has significantly increased since ___ consistent with the pericardial effusion that was already assessed by cardiac sonogram .