Patients (n = 66) with tumor BRCA1-PM and sTILs ≥ 50% showed excellent 15-year OS (97.0%, 95% CI, 92.9–100%; Table 2), while patients (n = 61) with gBRCA1m and sTILs < 50% showed poor 15-year OS (50.8%; 95% CI, 39.7–65.0%; Table 2). Here, BRCA1 is linked to neoplasm.