Hepatic immune microenvironment dynamics in severe obesity and post-bariatric surgery: insights from immunohistochemical analysis - Alina-Iuliana Onoiu; Sergio González-Serrano; Vicente Cambra-Cortés; Andrea Jiménez-Franco; Carmen Guilarte; Karla Beatriz Peña; Francesc Riu; Jordi Camps; Jorge Joven; David Parada (Frontiers in Immunology, 2026)