Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates low lung volumes with resultant bronchovascular crowding . Slight improvement in pulmonary edema , most notable on the left . Small bilateral pleural effusions . The heart is mildly enlarged . The azygus vein is distended . Dobbhoff tube is seen coursing into the stomach and out of field of view . Left - sided internal jugular central venous line ends in the mid to distal SVC . There is no pneumothorax .
    OUTPUT:
    
Slight inteval improvement in pulmonary edema , most notable on the left .