Pierre-Olivier Fiset

P1.111. The Presence of Signet Ring Cells Predicts Aggressive Chemotherapy Resistance in Esophageal Adenocarcinoma

Abstract Topic Esophageal Cancer: Molecular Biology/Pathology Background Esophageal adenocarcinoma (EAC) remains a rapidly rising and poorly controlled malignancy worldwide, despite radical surgery and multimodal therapy. Signet ring cells (SRC) are classically known to signal a...

P1.085. Real-World Outcomes of Double Checkpoint Inhibition for MSI-H Gastroesophageal Adenocarcinoma

Abstract Topic Esophageal Cancer: Adjuvant and Neo-Adjuvant Therapies Background Gastroesophageal Adenocarcinoma (GEA) is a leading cause of cancer worldwide, with up to 10% of cases harbouring microsatellite instability (MSI-H) characterized by mutations in mismatch-repair prote...