Outpatient Versus Inpatient Care Pathway for Intra-arterial Treatment of Primary Liver Cancer (CHOC)

Inclusion Criteria: * Age ≥ 18 years * HCC or iCCA diagnosed according to the criteria of the European Association for the Study of the Liver (2024) or histologically proven. * Patient with HCC or iCCA eligible for intra-arterial treatment (transarterial chemoembolization \[TACE\] or transarterial radioembolization \[TARE\]), with no prior intra-arterial treatment of the same type as the one planned in the trial: * no prior TACE for patients included for TACE; * no prior TARE for patients included for TARE. Prior intra-arterial treatment of the other type is allowed (prior TACE before TARE, or prior TARE before TACE). Prior non-intra-arterial treatments are allowed. * If TACE is proposed at the multidisciplinary tumour board (RCP): * Patient Child-Pugh \< B8 * Single or multiple HCC * Absence of lobar or truncal portal obstruction * Absence of bile duct dilatation * If treatment by TARE proposed in RCP: * Absence of truncal portal tumor invasion * Uni-lobar tumor invasion (except for centrohepatic iCCA) * Total bilirubin \< 20 mg/l (or 35 µmol/L) * Patient affiliated to or benefiting from a social security scheme * Patient having signed an informed consent form Exclusion Criteria: * Technical contraindication or morphological elements of predictable technical difficulty * Planned combined same-day therapeutic strategies at the index procedure (e.g., TACE combined with percutaneous ablation) are not allowed; sequential (non-same-day) treatments are allowed. * Chronic renal insufficiency (Clairance \< 30 ml/min) * Known allergy to a contrast agent or chemotherapy agent * inability to participate in ambulatory care (inability to understand and follow discharge instructions, lack of reliable telephone access, absence of a responsible accompanying adult for the first night after discharge, or inability to access urgent care in a timely manner if symptoms occur) * Patient previously included in the study * Patient who, for psychological, social, family or geographical reasons, could not be regularly monitored, patient who, for psychological, social, family or geographical reasons, could not be followed regularly * Concomitant disease or severe uncontrolled clinical situation * Severe uncontrolled infection * Pregnant, breast-feeding or parturient woman * Person deprived of liberty by judicial or administrative decision * Person under compulsory psychiatric care * Person under a legal protection measure * Person unable to give consent