ben edwards is a bone radiologist. he's also bruce's oldest friend. bone scan revealed the problem in bruce's left leg, ben knew there was a problem. >> as a radiologist, which is what i do, it's kind of an old fracture that looks like an old fracture. >> reporter: what was your gut telling you at that point? >> there was a problem. there was a serious problem. >> reporter: days later, bruce had a follow-up x-ray and mri of his left leg. the results would confirm linda and ben's worst suspicions. on the streets of new york, the doctor's call came in. >> and then she says to me on the phone, your tumor is not consistent with a benign tumor. and called linda. >> reporter: called her, she answers the phone. you say what? >> it's cancer. >> it's not news anyone ever wants to hear, and i -- you know, i just immediately went to the girls. >> reporter: what did she say? >> i need you here for our girls. i can't -- i can't raise them alone. i need you for the girls. from the very beginning, it became the cancer versus the girls. >> we should put her head righ