The financial support is pouring in for Olympics legend Mary Lou Retton ... with more than $181k in donations being collected as she battles a serious medical issue.
As we previously reported, the gold medalist has been in the ICU fighting for her life as she deals with a "very rare form of pneumonia," according to her daughter ... and she is currently unable to breathe on her own.
Considering 55-year-old MLR is uninsured, the family started a SpotFund page to help with medical bills .