The four-month-old son of a Dallas firefighter left the hospital on Thursday after more than 75 hospital staff members helped him recover from an unexpected, life-threatening diagnosis.

Kenji Kammerer returns home What we know: Ian Kammerer, a Dallas firefighter, and his wife Lindsey have spent the last several months at Medical City Children's Hospital's emergency department as the hospital's staff cared for their infant son Kenji.

When Kenji was five-months-old, doctors discovered he had intestinal malrotation despite not showing any previous symptoms.