 On April 26, television channel NY1 reported that Giuliani had undergone a second round of tests for prostate cancer at Mount Sinai Medical Center; the same disease had led to the death of his father.On April 28, Giuliani held a news conference to announce that he did in fact have prostate cancer, but it was in an early stage.He was unsure of which of several types of treatment he might undergo, and that decision would impact whether he could stay in the senate race or not.