Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest demonstrates appropriately positioned tracheostomy tube . The right subclavian central venous line is 6 cm below the carina and should be retracted by 15 mm for more appropriate positioning . Compared to the prior radiograph , there is worsening pulmonary edema with an enlarged cardiac silhouette . Pericardial effusion is also a possibility to explain the increase in cardiac size . Worsening opacities in the perihilar and basilar regions , worse on the right , may also be explained by concurrent pneumonia . No pneumothorax or pleural effusion is seen .
    OUTPUT:
    
1 . Worsening pulmonary edema with enlarged cardiac size which may also be due to pericardial effusion . Follow up radiographs are recommended . 2 . Worsening bilateral parenchymal opacities , worse on the right , may also be explained by concurrent pneumonia . These findings were discussed by Dr . ___ , with Dr . ___ , at 10 :05 a .m . , ___ ___ .