Anabel Stenzel and her twin, Isabel Stenzel-Byrnes, were born with cystic fibrosis. Thanks to the donor families' selfless gifts, and the Stanford Hospital & Clinics Lung Transplant team, the twins now survive and thrive. Read full story here: http://stanfordhealthcare.org/stanfor... Learn more: http://stanfordhealthcare.org/medical... Visit: http://stanfordhealthcare.org