Table 1.

List of common CSC markers in lung (LC), head and neck (HNC), and bladder cancers (BC).

Intracellular Factors	Common CSC Markers	LC	HNC	BC
Cell Surface Receptors	CD133	[21]	[39]	[52]
	CD44	[19]	[34]	[53]
	ALDH1A	[19]	[49]	[54]
Transcription Factors	OCT4	[19]	[41]	[54]
	BMI1	[19]	[42]	[54]
	SOX2	[5]	[19]	[54]
	NANOG	[39]	[54]	[5]