Administering chemotherapy in this way increased survival by an extra three years on average - but only in women with a specific genetic make-up.
Scientists compared the survival of 400 women who either had the abdominal injections or had drugs infused into a vein. The abdominal treatment increased lifespans by an average of 36 months for women with low levels of a protein made by the gene BRCA1, which is linked to ovarian and breast cancer.




