Obesity 'will fuel rise in womb cancer' Speaking at the international conference of the Royal College of Obstetricians and Gynaecologists (RCOG) in Malaysia, they say that half of all cancers of the womb lining - or endometrial canceers - are linked to obesity. At the moment about a quarter of women in Britain are obese, a figure that is set to double by 2050. The authors of the report believe this will mean a big rise in cases of endometrial cancer. At the moment about 7,500 women are diagnosed with it every year and it claims just under 2,000 lives. About a quarter die within five years of diagnosis. The authors warn: "Obesity is a serious public health issue. Weight management and the importance of leading a healthy lifestyle should be topics discussed with patients who are being treated for endometrial cancer.