and genentech agreed to provide the drug to her. jay wolfson says that is unusual.>> for one thing, the drug companies is affording the use of the drug basically free. and the fda is very careful about approving any use of an experimental drug outside of a clinical trial. >> reporter: with met static breast cancer all over, including in her liver, darlene says she is just trying to put a face on what she and so many others in need of investigational drugs go through. >> if i don't get on this drug this week if my abdomen swells, there's no going backwards. i won't be able to get treatment. so like every day is like eternity to me. >> what a moving story. >> patients must have been immediate need, a life-threatening disease or condition to get the kind of access to unapproved trial drugs. certainly she met that criteria. >> we should also mention that the reporter is going through her own fight with breast cancer. she appears to be winning. she looks great. so we're all rooting for you, linda, as well. >> good story on a couple of levels there. wow. absolutely. >>> h