Teacher:Indicate the presence of numerical data in the abstract (whether numerical data plays a key role in medical records), solely using the information from the abstract.
Teacher: Now, understand the problem? Solve this instance: Abstract: Frey's syndrome, or gustatory sweating, is most commonly seen as a sequela of superficial parotidectomy. It can also be caused by other forms of trauma, including blunt trauma, but rarely does it occur without trauma. 
Question: Does the abstract contain any numerical data?
Student:
No