Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the chest radiograph obtained 1 day prior , mild pulmonary edema has minimally improved . Mild cardiomegaly is unchanged . Lateral displacement of an elevated right hemidiaphragm apex may reflect an underlying subpulmonic effusion . Lung volumes remain low . Right lower lobe opacities are concerning for atelectasis or developing pneumonia . A Dobhoff tube remains coiled in the gastric fundus .
    OUTPUT:
    
Mild pulmonary edema is minimally improved . Right basilar opacities are concerning for atelectasis or developing pneumonia .