EastEnders fans were heartbroken as Jean Slater's cancer has come back on the soap. The character has battled cancer in the past, but made a full recovery.However, in tragic scenes at the end of Thursday's episode, Jean revealed her cancer was back.It was her birthday, and Jean was filming a video message seemingly for her family.She told them she didn't want treatment this time, as she wanted to choose how she spent her "last few months.Jean said she didn't need a doctor to check it, as she.