768
While doxorubicin was administered, the patient presented thoracic pain and breathing distress due to superior vena cava perforation by the central catheter and subsequent extravasation of the drug into the mediastinum.
 adverse event: presented 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: presented 