Isabella Strahan—the girl of erstwhile mates Michael Strahan and Jean Muggli—said she "didn't announcement thing was off" astir her wellness until aboriginal October 2023, erstwhile she started experiencing headaches and nausea.

After throwing up humor 1 day, she got a afloat checkup and MRI scan astatine the urging of her dad. The results showed medulloblastoma, a malignant encephalon tumor recovered successful children.

Later that month, she underwent encephalon country to region the mass.

Isabella went nationalist with her diagnosis successful a January 2024 interrogation with her dada and ABC News' Robin Roberts.

"I virtually deliberation that successful a batch of ways, I'm the luckiest antheral successful the satellite due to the fact that I've got an astonishing daughter," Michael noted astatine the time. "I cognize she's going done it, but I cognize that we're ne'er fixed much than we tin grip and that she is going to crush this."

Isabella's duplicate sister Sophia Strahan besides offered her support. "I'm truthful fortunate to person the astir astonishing sister and champion person successful the world," she wrote connected Instagram. "The past fewer months person been truthful overmuch harder than we could person ever imagined, but it's made maine recognize conscionable however beardown you are"

Following her interview, Isabella shared she had finished her circular of radiation therapy.

"I'm precise excited to yet beryllium done," she said successful a Jan. 16 YouTube video. "It's been a agelong six weeks and I'm precise blessed to yet heal my caput aft each of this due to the fact that the broadside effects and everything get to you."

Following radiation therapy, Isabella began undergoing chemotherapy to dainty her cancer.

"My full rima feels similar I got 1 elephantine basal canal," she shared successful a Feb. 16 vlog. "Every azygous tooth, conscionable ripped retired and not adjacent surgically enactment backmost in. My jaw hurts, the bottommost of my lingua hurts. It hurts erstwhile I gulp water." 

Still, the teen kept her spirits up, joking successful a video posted a week aboriginal that her hairsbreadth is "insufficient now."

"Besides being bald," she said, "it doesn't bring maine symptom mentally." 

Though Isabella was initially scheduled to acquisition her 2nd circular of chemotherapy successful aboriginal March, she underwent exigency country connected her skull—during which doctors drained retired other fluid from her caput and replaced a bony they had primitively chopped retired with a titanium plate—which pushed her chemo back by weeks.

"I'm successful truthful overmuch pain," she said successful a March 6 vlog. "My look is highly puffy, and this sucks. I was successful truthful overmuch symptom earlier. I was, like, screaming."

Isabella's dada Michael arranged for her favourite vocalist Bryson Tiller to halt by their New York City location arsenic a pick-me-up amid her treatments.

"You haven't moved this overmuch successful months!" Michael joked to his girl successful her vlog of the visit. "You are fangirling close now."

Isabella shared successful a March 21 video that she had started her 2nd circular of chemotherapy, meaning determination was "just 4 more" rounds to go.

Amid her 2nd chemotherapy round, Isabella said she began experiencing difficulties successful walking.

"I virtually can't locomotion without being lightheaded oregon retired of breath," she shared successful a March 27 vlog, lamenting that determination isn't an "anti-exhaustion medicine" she could take.

The YouTuber had a affirmative update aft finishing her 2nd circular of chemotherapy, sharing that she would lone person to acquisition 2 much rounds of alternatively of the primitively scheduled four.

"These are blessed tears," she said successful a video posted April 10. "It's not adjacent considering crying erstwhile it's blessed tears."

However, Isabella deed a bump successful the roadworthy successful her attraction program erstwhile she had to acquisition a 3rd craniotomy. According to the teen, this process was dissimilar thing she had antecedently experienced.

"Not going to lie, I've been crying a lot," she elaborate successful an April 12 vlog. "They sunk a needle successful 3 spots and drained fluid, and I was wholly awake for this. So, my archetypal wholly awake surgery."