Joe Amabile, who appeared on "Bachelor in Paradise" and "Dancing with the Stars," shared a health update on Instagram on Monday.
Isabella Strahan is battling a malignant brain tumor known as medulloblastoma.
Isabella Strahan was diagnosed with medulloblastoma in late October, nearly one month after she said she began experiencing headaches.
Famous singer Michael Bolton announced Friday that he recently had surgery to remove a brain tumor.
More than 1,000 brain tumor patients and families will gather in-person and online at the ABTA's National Conference, Sept. 8 and 9.