Slow-growing cancer Of blood cells red Bone marrow overload Through the veins it spreads Suffered heart attack Among the complications Polycythaemia Cellular domination Strength in numbers You can’t deny Cancer blood cells Will multiply Death is looming A matter of time Slowly growing Demise by design Thickening your blood Clots will soon appear The fatal, final stroke Is surely drawing near Certain heart attack Your definite destination Polycythaemia Cellular domination The blood inside your veins Will cause your own demise How can you escape When the killer is inside?