Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supportive a monitoring equipment is unchanged in appearance when compared to the prior study . Assessment of the cardiomediastinal contour is limited by technique but appears grossly unchanged . Lung volumes remain low . The previously demonstrated mild pulmonary edema appears to have improved slightly however there is persistent prominence of the pulmonary vascular consistent with mild congestive heart failure .
    OUTPUT:
    
CT mild improvement in the interstitial pulmonary edema , otherwise no significant interval change when compared to the prior study .