1463P The presence of liver metastases is associated with systemic immune suppression in gastroesophageal cancer. - Siegerink, S.; van den Ende, T.; Kamp, D.; Derks, S.; Bakker, J.; Purcell, N.; Boon, E.; Cirkel, G.A.; Creemers, G-J.; Houtenbos, I.; Sommeijer, D.; Streppel, M.M.; et al. (Annals of Oncology, 2024)