<P> Later in their relationship , Izzie begins hallucinating about Denny , and uncovers the fact she has metastatic melanoma ( Stage IV ) with an estimated chance of 5 % survival . It is revealed that Izzie 's hallucinations of Denny are , in fact , caused by her tumor . Alex is shocked by the news , but finds the strength to stay by her side . Izzie plans a wedding for Meredith and Derek , but when Derek finds Izzie has another inoperable tumor in her brain , they give the wedding to Izzie and Alex , who marry in front of all their friends . Izzie debates whether or not she should undergo a risky surgery to remove her tumor and Alex supports her , but eventually insists that she should have the surgery . Alex performs CPR on Izzie after she flatlines . </P>
<P> Later in their relationship , Izzie begins hallucinating about Denny , and uncovers the fact she has metastatic melanoma ( Stage IV ) with an estimated chance of 5 % survival . It is revealed that Izzie 's hallucinations of Denny are , in fact , caused by her tumor . Alex is shocked by the news , but finds the strength to stay by her side . Izzie plans a wedding for Meredith and Derek , but when Derek finds Izzie has another inoperable tumor in her brain , they give the wedding to Izzie and Alex , who marry in front of all their friends . Izzie debates whether or not she should undergo a risky surgery to remove her tumor and Alex supports her , but eventually insists that she should have the surgery . Alex performs CPR on Izzie after she flatlines . </P>
who does alex marry on grey 's anatomy
who does alex marry on grey 's anatomy
Izzie
Izzie