Cardiff West Labour MP Kevin Brennan has undergone surgery for prostate cancer.
Mr Brennan, who has been MP for the area for 21 years, said he was "recuperating very well and should require no further treatment" as he thanked NHS staff for their "incredible skill, professionalism, dedication and humanity".
In a Twitter thread, the MP said: "Some personal news - a thread - last week I had surgery at UHW Cardiff for prostate cancer - I am recuperating very well and should require no further treatment."