Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 1/5/2026

Frequency of Primary Tumors Causing Hepatic Metastases

Most Common Sources

  • The gastrointestinal tract—especially colorectal cancer—is the leading origin of liver metastases, with the pancreas, breast, and lung following in frequency. 1
  • Colorectal cancer accounts for the highest proportion of hepatic metastases, with about 80 % of its metastatic spread occurring in the liver. 1

Secondary Sources

  • Pancreatic cancer is identified as a frequent contributor to liver metastases after gastrointestinal tumors. 1
  • Breast cancer commonly metastasizes to the liver. 1
  • Lung cancer frequently spreads to the liver. 1

Less Common Sources

  • Renal cell carcinoma can give rise to liver metastases. 1
  • Melanoma, including ocular melanoma, is capable of hepatic metastasis. 1
  • Sarcoma, including gastrointestinal sarcoma, may metastasize to the liver. 1