Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is in satisfactory position 4 .8 cm from the carina . A ight internal jugular catheter is present with the tip near the atriocaval junction . The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The mediastinal contours are widened due to the known large pseudoaneurysm , which is better characterized on the recent CT . The heart is severely enlarged . Sternal wires are intact .
    OUTPUT:
    
1 . Satisfactory position of the endotracheal tube and right internal jugular venous catheter . 2 . Enlarged mediastinum due to the known large pseudoaneurysm . 3 . Severe cardiomegaly .