The main objective is to describe the evolution of patients treated for a primary malignant hepatobiliary tumor (hepatocellular carcinoma or cholangiocarcinoma) over the long course.

The collection of data from patients with CHC and cholangiocarcinomas who are cancers with poor prognosis is a major challenge to improve patients'care (diagnosis, prognosis); facilitate the search for new therapeutic targets and the follow-up of clinical studies; and develop personalized treatments.

Inclusion Criteria:

Inclusion Criteria :

• Age ≥ 18 years olds
• Medical care in Nephrology department since 2015

Cholangiocarcinoma:

- Histologically and cytologically documented cholangiocarcinoma, regardless of the stage of the disease

Hepatocellular carcinoma:

• Hepatocellular carcinoma at any stage of the disease, presenting the diagnostic criteria according to the diagnostic criteria of Barcelona : Tumor of more than 1 cm, developed on cirrhosis liver with arterial phase hyperenhancement and washout in the portal venous or delayed phases on CT and MRI
• Hepatocellular histologically documented

Exclusion Criteria:

- Lack of patient non-opposition

All patients with hepatocellular carcinoma or cholangiocarcinoma treated in Saint-Antoine hospital