Relacionar Columnas polycythemia veraVersión en línea information about thus blood cancer por Kennedy Ellis 1 drawing blood 2 what do you experience? 3 polycythemai vera 4 the mutation in which gene causes this blood cancer 5 enlarged spleen 6 what does polycythemia cause? heart attack or stroke helps reduce # of RBCs increased number of red blood cells helps fight infection and filter unwanted material and gets bigger when there is too much RBCs janus kinase 2 (JAK2) itchiness, headches, dizziness, bleeding/bruising, weakness, fatigue