Extensive liposuction on her tush and thighs
, though, has caused pain that shoots down her legs, worsening her knee pain. “The discomfort is sometimes unbearable,” a source said. For a while, Caitlyn — who's considering an offer from "Dancing with the Stars"
— was trying to get by on painkillers, but an insider said that she’s been wisely trying to cut back on any drug use.