She added that the cancer was rediagnosed as sclerosing microcystic adenocarcinoma. "Fun Fact: there are only a handful of known cases of this cancer, and I'm the first documented case to to occur in the roof of the mouth," she wrote, tacking on an upside-down-happy-face emoji.
Gibbs also said that, because of complications, she still needs to use a feeding tube—"if I were to try to swallow water, some would leak out me nose - gross, I know."
This means she'll have to delay her comeback, which was initially set for Wimbledon qualifying.