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Key clinical point: The level of stromal tumor-infiltrating lymphocytes (TIL) can provide insights on disease-free survival (DFS) outcomes in human epidermal growth factor receptor 2-low-positive (HER2-low+) early-stage breast cancer (BC).
Major finding: High (>10%) vs low (≤10%) TIL levels were associated with a 53% improvement in DFS in HER2-low+ BC (hazard ratio [HR] 0.47; P = .035) and 58% improvement in DFS in hormone receptor-positive/HER2-low+ BC (HR 0.42; P = .032).
Study details: Findings are from a single-institution retrospective analysis including 1763 patients with early-stage BC who underwent surgery, of whom 429 patients were HER2+, 739 were HER2-low+, and 595 were HER2-0.
Disclosures: This study was supported by the National Natural Science Foundation of China and the Natural Science Foundation of Shandong Province. The authors declared no conflicts of interest.
Source: Sun T et al. Tumor-infiltrating lymphocytes provides recent survival information for early-stage HER2-low-positive breast cancer: A large cohort retrospective study. Front Oncol. 2023;13:1148228 (Jun 20). Doi: 10.3389/fonc.2023.1148228
Key clinical point: The level of stromal tumor-infiltrating lymphocytes (TIL) can provide insights on disease-free survival (DFS) outcomes in human epidermal growth factor receptor 2-low-positive (HER2-low+) early-stage breast cancer (BC).
Major finding: High (>10%) vs low (≤10%) TIL levels were associated with a 53% improvement in DFS in HER2-low+ BC (hazard ratio [HR] 0.47; P = .035) and 58% improvement in DFS in hormone receptor-positive/HER2-low+ BC (HR 0.42; P = .032).
Study details: Findings are from a single-institution retrospective analysis including 1763 patients with early-stage BC who underwent surgery, of whom 429 patients were HER2+, 739 were HER2-low+, and 595 were HER2-0.
Disclosures: This study was supported by the National Natural Science Foundation of China and the Natural Science Foundation of Shandong Province. The authors declared no conflicts of interest.
Source: Sun T et al. Tumor-infiltrating lymphocytes provides recent survival information for early-stage HER2-low-positive breast cancer: A large cohort retrospective study. Front Oncol. 2023;13:1148228 (Jun 20). Doi: 10.3389/fonc.2023.1148228
Key clinical point: The level of stromal tumor-infiltrating lymphocytes (TIL) can provide insights on disease-free survival (DFS) outcomes in human epidermal growth factor receptor 2-low-positive (HER2-low+) early-stage breast cancer (BC).
Major finding: High (>10%) vs low (≤10%) TIL levels were associated with a 53% improvement in DFS in HER2-low+ BC (hazard ratio [HR] 0.47; P = .035) and 58% improvement in DFS in hormone receptor-positive/HER2-low+ BC (HR 0.42; P = .032).
Study details: Findings are from a single-institution retrospective analysis including 1763 patients with early-stage BC who underwent surgery, of whom 429 patients were HER2+, 739 were HER2-low+, and 595 were HER2-0.
Disclosures: This study was supported by the National Natural Science Foundation of China and the Natural Science Foundation of Shandong Province. The authors declared no conflicts of interest.
Source: Sun T et al. Tumor-infiltrating lymphocytes provides recent survival information for early-stage HER2-low-positive breast cancer: A large cohort retrospective study. Front Oncol. 2023;13:1148228 (Jun 20). Doi: 10.3389/fonc.2023.1148228