Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube is in stable position , terminating 6 cm above the carina . There is stable position of right chest pacer device with associated dual leads projecting in unchanged position approximately over the right atrium and right ventricle . Multiple median sternotomy wires and mediastinal surgical clips are again seen . Left chest tube is in stable position . Enteric tube again seen in stable position with tip projecting of left hemidiaphragm , consistent with known large hiatal hernia . There is a PA catheter are in stable position . There is leftward rotation on the current radiograph . The cardiomediastinal silhouette is unchanged . In comparison to prior radiograph , there is increased opacification at the right lung base and indistinctness of the right lateral CP angle , consistent with new small right layering pleural effusion . There is no left effusion . There is continued retrocardiac opacification obscuring the left hemidiaphragm , consistent with ongoing left lower lobe volume loss , possibly atelectasis . There is no evidence of pulmonary vascular congestion . There is no pneumothorax .
    OUTPUT:
    
Stable lines and tubes . New small right layering pleural effusion , may represent small hemothorax . Otherwise no significant interval changes .