Jared uses the case to reflect on his own life, sharing with the patient's son how he chose medicine over his wealthy family’s business expectations. Point Three Percent | The Good Doctor Wiki | Fandom

The test is eventually completed, but the results are devastating: Shaun's hopeful theory is wrong. Evan does have terminal cancer.

They discover the man has tapeworms that have migrated to his brain.

: Against the parents' wishes and the hospital's strict protocols, Shaun attempts to perform a bone marrow aspiration to prove his theory. He is caught by the parents just as he is about to insert the needle. The Bittersweet Resolution

: Evan’s parents have chosen not to tell him he is dying, wanting him to live his remaining time without fear. Shaun, who values absolute truth, struggles with this "merciful" deception. Seeking a Different Answer

While Shaun deals with Evan, Dr. Claire Browne and Dr. Jared Kalu handle a man with severe abdominal pain.

: After staying up all night reviewing the case, Shaun finds a "point three percent" chance—hence the episode title—that Evan doesn't have cancer at all, but rather a treatable condition like a bone infection.