Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison is made to prior examination of ___ . The lung volumes are low . The heart size is therefore likely adequate . There is some widening of the mediastinum although again this is likely due to poor inspiratory effort . There is hazy opacity and vascular haziness in both lungs consistent with interstitial edema . An ET tube is identified 3 .2 cm from the carina in correct position . A pacemaker lead in the right ventricle and a second lead in the right atrium . There is a subclavian line with its tip in the distal SVC . An NG tube is noted coursing through the esophagus into the stomach . The tip of the NG tube is not identified on this film .
    OUTPUT:
    
1 . Tubes and lines in adequate position as described above . 2 . Pulmonary edema involving both lungs . 3 . Widening of the mediastinum and possible cardiomegaly are likely due to low lung volumes .