Table 3.

Summary of detecting EGFR-activating mutations from plasma DNA

Plasma DNA
MutationNo Mutation
Tumor tissue
    Mutation30219
    No mutation13211
    Not available1165
Response to prior EGFR TKI therapy
    Partial response28235
    Stable disease14410
    Progressive disease826
    Untreated404
  • NOTE: NSCLC patients broken down based on known tumor EGFR mutations and based on clinical outcome with prior EGFR TKI therapy.