highly significantP < 0.001
As we observed in the full HER2-negative cohort, the benefit of T-DXd over SG was restricted to HR+ tumors and was highly significant for all HER2-negative subsets including HER2-null tumors ( P < 0.001; Table 2 ).
As we observed in the full HER2-negative cohort, the benefit of T-DXd over SG was restricted to HR+ tumors and was highly significant for all HER2-negative subsets including HER2-null tumors ( P < 0.001; Table 2 ).