Episode 3: Hands of God

Mark makes his fateful decision: He will have his prostate removed. So he hunts for the best surgeon he can find. The trail begins with Dr. Patrick Walsh, a guru in the field of urology who revolutionized prostate cancer treatment by preserving men's sexual function. For more, visit bostonglobe.com/prostate. Email us at [e-mail]. Learn more about your ad choices. Visit megaphone.fm/adchoices