High serum levels of IL-2R, IL-6, and TNF-α are associated with higher tumor burden and poorer outcome of follicular lymphoma patients in the rituximab era

Pablo Mozas, Alfredo Rivas‐Delgado, Andrea Rivero, Iván Dlouhy, Ferran Nadeu, Olga Balagué, Blanca González‐Farré, Tycho Baumann, Eva Giné, Julio Delgado, Neus Villamor, Elı́as Campo, Patricia Pérez‐Galán, Xavier Filella, Laura Magnano, Armando López‐Guillermo