Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube and left - sided dual - lumen central venous catheter remain in unchanged positions . The patient is status post median sternotomy and CABG . Moderate cardiomegaly is similar compared to prior exam . There is moderate pulmonary edema which is not substantially changed in the interval . No pleural effusion , new area of focal consolidation or pneumothorax is clearly identified . Percutaneous gastrostomy catheter seen in the left upper quadrant of the abdomen .
    OUTPUT:
    
Moderate cardiomegaly and pulmonary edema , similar to the previous examination .