https://www.cancer.org/cancer/risk-prevention/genetics/family-cancer-syndromes/peutz-jeghers-syndrome.html
Peutz-Jeghers Syndrome | American Cancer Society
Peutz-Jeghers syndrome (PJS) is an inherited condition that causes abnormal growths, called polyps, in the gastrointestinal (GI) tract and other places in the...
peutzsyndromeamericancancersociety