what is a cancer stem cell? narrated by dr. john dick Published 9 years ago • 10K plays • Length 1:01 Download video MP4 Download video MP3 Similar videos 0:53 cancer research discovery: pre-leukemic stem cell at root of aml, relapse 2:00 cancer: unregulated cell division 3:17 what can stem cells do? 4:16 the cancer stem cell hypothesis and the clonal evolution model