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.
Q: Abstract: A 57-year-old woman with bilateral pneumothoraces secondary to pulmonary metastases from leiomyosarcoma of the uterus was treated successfully by intrapleural instillation of tetracycline. 
Question: Does the abstract contain any numerical data?
A: 
Yes