ITGA6 and cervical cancer: Notably, all patients with vulvar (Fig. 4E, right panel; n = 18; purple lines) or cervical cancer (Fig. 4F; right panel; n = 31; purple lines) who developed relapse showed an increase in percentages of PD-L1+ CD49f+ CD133+ CTCs during therapy (purple lines; surgery (circle), aRT (triangle), aCRT (squares) and pCRT (diamonds)).