Fig. 5
Histology of xenografted tumor. a The gross appearance of xenografted tumors (2 × 1 cm2 in size) formed in non-obese diabetic-severe combined immunodeficiency mice harboring CD133+ 150,057 cells. Scale bar = 1 cm. b Hematoxylin and eosin staining of the formed tumors revealed undifferentiated cancer. Scale bar = 100 μm