The transition towards digital pathology and an extensive selection of video conferencing
platforms have helped provide continuity to education even during the COVID-19 pandemic. …

4046 Background: Perioperative chemotherapy improves cure rate in locally advanced
gastroesophageal adenocarcinoma (GEA), and immune checkpoint inhibitors are active at the …

Background: It has recently been reported that mismatch repair (MMR) status and
microsatellite instability (MSI) status in gastroesophageal carcinomas predict surgical, …

Portosinusoidal vascular disorder (PSVD) is a recently proposed histopathologic entity that
encompasses a spectrum of often subtle hepatic microvascular lesions and related …

Background No biomarkers are recommended for patients undergoing radiation-based
therapy (RT) for muscle-invasive bladder cancer (MIBC). Objective We aim to evaluate the …

Endoscopic evidence of disease activity is a critical predictor of clinical relapse in patients
with Crohn’s disease (CD), and histologic disease activity is evolving as a similarly important …

1. Haller F, Skálová A, Ihrler S, et al. Nuclear NR4A3 immunostaining is a specific and sensitive
novel marker for acinic cell carcinoma of the salivary glands. Am J Surg Pathol. 2019; 43: …

4055 Background: Perioperative chemotherapy improves cure rate in locally advanced
gastro-esophageal adenocarcinoma (GEA). Immune checkpoint inhibitors have activity in GEA. …

INTRODUCTION AND OBJECTIVE: We aim to evaluate the role of PD-L1 expression in the
tumor microenvironment on oncological outcomes for patients treated with trimodality therapy …

While surveillance biopsies play a critical role in management of patients with muscle
invasive bladder cancer (MIBC) treated with trimodal therapy (TMT), their assessment is often …