Bile duct hamartomas are liver lesions that grow. These uncommon growths are usually harmless, but they have a small chance of becoming cancerous. gastroenterologist Pratima Dibba, MD, explains surgery is the preferred treatment for these hamartomas. But other experts may recommend surgery only if you develop symptoms that pose a cause for concern, such as weight loss, increasing size of the lesion, recurrent bile duct inflammation, or jaundice. Read the article here.