. >> zantac heartburn alert. stop! nexium can take 24 hours to work. zantac's different.rushing relief in as little as 30 minutes. for relief without the wait. try zantac. no pill releaves heartburn faster. >>> take zzzquil and sleep like you haven't seen your bed in days. no. like you haven't seen a bed in weeks. zzzquil. it helps you sleep easily and wake refreshed. because sleep is a bea >>> good evening. tonight, we're taking a look at a complicated medical procedure that's changing women's bodies and lives after cancer. many survivors confront unexpected challenges after the battle, and for the women you're about to meet mastectomies brought their own host of problems, not just physical but emotional, too. they told abc's cecilia vega about restoring their breasts and their self-esteem. >> reporter: from answergelina jolie -- >> i didn't know how people would react. >> reporter: to giuliana rancic. >> i just wanted to get the cancer out. >> reporter: to christina applegate. >> i had a double mastectomy. >> reporter: some of hollywood's biggest stars are going public