Skip to Main Content

An official website of the United States government


If a participant was diagnosed with lung cancer during the trial, medical records of treatment for that cancer are obtained. Records were obtained only for treatments that occurred within one year of the cancer diagnosis, and include surgeries and radiation therapies.

For most purposes, treatment data can be obtained within the Lung dataset. Additional details can be found in the Lung Treatments dataset (one record per procedure per person).

Summary Available Data
  • ~3200 of ~3700 participants with lung cancer had forms indicating treatment
  • Data collected for ~6400 treatments
  • Collected on TIL (Treatment Information - Lung) forms:
  • Days from randomization
  • General type of treatment (chemotherapy, resection, radiation)
  • Available in treatment dataset:
    • Specific surgical treatment (lobectomy, wedge resection, etc.)