Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Dialysis catheter again seen projecting over the right chest wall with catheter tip extending to the low SVC . A left upper extremity PICC line is seen with its tip in the low SVC . Midline sternotomy wires and mediastinal clips are again noted . The lungs are clear . There has been interval resolution of pulmonary edema . The heart size is mildly enlarged . No pneumothorax or large effusion . Bony structures appear grossly intact .
    OUTPUT:
    
Mild cardiomegaly . Interval resolution of pulmonary edema seen previously . PICC line and dialysis catheter positioned appropriately .