Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . Since the prior radiograph , bilateral chest tubes , mediastinal drains endotracheal tube , and enteric tube have been removed . Right internal jugular Swan - Ganz catheter is advanced into the right pulmonary artery . No pneumothorax . Lung volumes are decreased since the prior exam , exaggerating size of the cardiomediastinal silhouette . Small bibasilar atelectasis remains . Pleural effusions are small , if any .
    OUTPUT:
    
1 . Status post extubation and removal of bilateral pleural tubes . No pneumothorax . 2 . Lung volumes are decreased with small bibasilar atelectasis .