Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison chest radiograph obtained 1 day prior , pulmonary edema has increased . Cardiac silhouette has also increased in size . Right basilar atelectasis is improved . Small , left pleural effusion and left basilar atelectasis are unchanged . Tracheostomy tube and pleural drains are unchanged and appear appropriately positioned . Subcutaneous emphysema in the left chest has decreased .
    OUTPUT:
    
Increased , moderate pulmonary edema and increased , mild cardiomegaly consistent with volume overload . Bibasilar opacities may reflect dependent pulmonary edema , atelectasis , or alternatively pneumonia