Br. j. haematol. Br. j. haematol. Two independent consecutive lymphoma cases carry an identical MYD88 mutation but differ in their IGVH rearrangement Prieto-Torres L Trascasa A Manso R Machan S Cieza-Diaz D Olmedilla G Garcia-Garcia M Universidad de Zaragoza Ara-Martin M Universidad de Zaragoza Requena L Piris MA Rodriguez-Pinilla SM 2020 research-article