Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ECMO cannula has a similar appearance compared to the prior exam the Swan - Ganz catheter tip is in the pulmonary outflow tract ET tube is in good position left IJ line tip is again seen in the mid SVC . There continues to be dense right sided alveolar infiltrate and there has been some interval increase in the dense left alveolar infiltrate . There bilateral effusions layering posteriorly that appear larger than on the study from the prior day
    OUTPUT:
    
Slight worsening of alveolar infiltrates .