Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Heart size is difficult to assess given the presence of small to moderate size bilateral pleural effusions , new compared to the prior radiographs . Bibasilar opacities likely reflect compressive atelectasis . There is no pulmonary vascular engorgement . The aorta is tortuous and calcified . There is no pneumothorax . Clips are seen projecting over the right superolateral chest . Severe compression deformity at T12 appears progressed since the prior CT from ___ .
    OUTPUT:
    
1 . Small to moderate size bilateral pleural effusions with bibasilar atelectasis . 2 . Progression of T12 compression deformity which is now severe .