1. Liver Cancer -- National Library of Medicine
ClinicalTrials.gov: Hepatoblastoma (National Institutes of Health). ClinicalTrials.gov: Carcinoma, Hepatocellular (National Institutes of Health). Liver Biopsy (National Institute of Diabetes and Digestive and Kidney Diseases).
http://www.nlm.nih.gov/medlineplus/livercancer.html

2. Cancer, liver -- Mayo Clinic
Rather than being called liver cancer, this type of cancer in the liver is named after the organ in which it began such as metastatic colon cancer in cancer that starts in the colon and spreads to the liver.
http://www.mayoclinic.com/invoke.cfm?objectid=C2850661-4805-4AD6-905AD30E9FC79D...

3. Hepatoblastoma -- Schneider Children's Hospital
Some hepatoblastomas have genetic alterations in tumor suppressor genes, which would explain the uncontrolled cell growth. Hepatoblastoma is a very rare cancerous tumor that originates in the liver. Although the exact cause of liver cancer is...
http://www.schneiderchildrenshospital.org/peds_html_fixed/peds/oncology/hepato....