Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is in place 6 cm from the carina . A right PICC ends in the low SVC . An enteric tube courses below the diaphragm with the tip out of the field of view . Bibasilar opacities have continued to decrease in size and density . There is no new opacity , pulmonary edema , pleural effusion , or pneumothorax . The mediastinal contours are normal . The heart is mildly enlarged , and unchanged .
    OUTPUT:
    
Improvement in both edema and residual infection