One-week-old KJ Muldoon was diagnosed with the rare genetic disorder CPS1 deficiency, affecting only one in 1.3 million babies. Facing a grim prognosis of severe developmental delays and potential death, his parents chose to pursue treatment instead of comfort care. Doctors at Children's Hospital of Philadelphia are providing care, offering a chance for survival against significant odds.

Prepared by Olivia Bennett and reviewed by editorial team.