Esther Rantzen reveals her lung cancer has progressed to stage 4

Veteran broadcaster says she has no regrets and treasures the friends she has made

Esther Rantzen has revealed that her lung cancer has progressed to stage 4, after announcing her diagnosis for the disease in January.

Rantzen, 82, who is considered a trailblazer for female broadcasters, became a household name during her career at the BBC. She is best known for presenting That's Life! between 1973 and 1994.