United Kingdom, Aug. 11 -- Jessie J has a "one in two chance" of her cancer returning.

The 37-year-old pop star underwent surgery for early-stage breast cancer in June and doctors told the singer they had managed to remove all of the abnormal cells, but Jessie will need regular monitoring in the future because there's a good chance the disease could return.

The singer - who is scheduled to have another surgery to realign her implants later this year - told The Sunday Times newspaper: "People think, once you've got the all-clear, now it's done. But I've got another surgery [to improve the symmetry of her implant with her other breast] and I need to heal, so I have to figure out the rest of this year ... There's a one in two chance [of th...