Choledochal cysts are usually traced amongst kids and have been found to develop liver bile ducts. Such cysts cause liver lesions that can be malignant. Such lesions result in symptoms such as nausea, loss of appetite, vomiting, rib pain or beneath etc. Hepatic hemangioma look and feel like sponge and are mostly filled with blood. Lesions formed by them are benign mostly and do not exhibit any symptoms.