Bydd profion cywirach a haws eu defnyddio ar gyfer sgrinio am ganser ceg y groth a chanser y coluddyn yn cael eu cyflwyno yng Nghymru, mewn ymgais i arbed mwy o fywydau.
More accurate and user-friendly tests for cervical cancer and bowel cancer screening are to be introduced in Wales, in a bid to save more lives.