kathy griffin, living legend. i'm just a person. no one cares. >> reporter: outside radio city music hall -- >> what is this sign? let's see how long till someone notices. >> reporter: true to form, she held nothing back. >> get it? it's me. take a picture. don't be [ bleep ]. >> reporter: and there was this exchange with what appeared to be a trump supporter. >> oh, i don't believe you. really? you love trump? let's talk about it. how much do you love trump? why do you want to talk -- come up to me and talk about trump? what do you love about him? his policies? you think he's going to give you a tax cut, lady? you're away woman. let me guess, you held your nose because he grabbed someone's [ bleep ]. >> hey, hey. >> hey, hey. >> relax, relax. >> look at this guy starting with me. she walks by, i love trump. >> i'll kick his butt. >> thank you, sir. you are an angel from heaven. >> can we get a photo of you and you'll get out of here? >> let's do it. >> reporter: ever combative publicly. privately griffin was struggling. painful mom

[ cheers and applause ] ♪ >>> tonight -- comedian kathy griffin sharing a stunning cancer diagnosis., i'm checking out. >> and how she's finding a new way forward. >> i think i'm a survivor, a resilient survivor. >> this special edition of "nightline," "kathy griffin," will be right back.