Los Angeles, June 5 -- Actress Sharon Stone has revealed her former husband's reaction to her decision to undergo a bilateral mastectomy after doctors discovered a large breast tumour had marked the end of their marriage, according to E! News.

Speaking on a recent episode of David Begnaud's podcast 'The Person Who Believed in Me,' Stone recalled being advised by her doctor to undergo the procedure because the tumor was suspected to be cancerous.

"One of them was bigger than the size of my entire left breast," Stone said of the tumor. "And the doctor had come out to my house and said, 'Look, we think you should have a bilateral mastectomy. This is really bad. And we usually, when they're all the way up into here, we know before we go in ...