Please discuss the significance of TROP2 in the development and progression of NSCLC and the role of TROP2-directed ADCs in this treatment setting. a. How is TROP2 unique as a biomarker in NSCLC? b. In what ways does it differ from other targetable biomarkers in NSCLC? c. What is the rationale for TROP2-directed therapies in previously treated NSCLC?