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Aleix Prat: Proud to be Co-author on Several Abstracts at ESMO Breast25
May 10, 2025, 10:24

Aleix Prat: Proud to be Co-author on Several Abstracts at ESMO Breast25

Aleix Prat, Director of the Cancer Institute at the Hospital Clinic of Barcelona, posted on LinkedIn:

“Proud to be co-author on several abstracts at ESMO Breast25 next week in Munich — grateful to work with such talented colleagues advancing breast cancer research.

Two abstracts I’d like to highlight today:

1. A novel H and E-based classification of tertiary lymphoid structures (TLS) in breast cancer.

This study proposes a 5-tier histological TLS scoring system applied to nearly 1,000 tumors. TLS were enriched in HER2+ and TNBC subtypes and showed correlation with the HER2DX IGG signature — reinforcing its role as a prognostic and predictive immune biomarker. The IGG signature, also used in TNBCDX, was recently identified as a marker of long-term survival across subtypes, including HR+ (Angelats et al., ESMO Open 2025).

Aleix Prat: Proud to be Co-author on Several Abstracts at ESMO Breast25

2. Central reassessment of HER2 status in HER2-positive tumors identified as ERBB2-low by HER2DX

This study reveals that most HER2+ tumors classified as ERBB2-low by HER2DX were reclassified as HER2-negative upon central pathology review. These findings support the ERBB2 score as a genomic tool to refine HER2 classification and guide potential retesting.

Aleix Prat: Proud to be Co-author on Several Abstracts at ESMO Breast25

Congratulations to all presenting authors and teams involved!”

Read more posts featuring Aleix Prat.