Participants who are prescribed with lenvatinib/pembrolizumab combination per approved prescribing information of lenvatinib and pembrolizumab in the post marketing setting will be enrolled and observed for up to 48 weeks or until clinical benefit or unacceptable toxicity occurs or discontinuation of therapy due to any reason, whichever occurs first.

No intervention will be administered.

A SAE is defined as any untoward medical occurrence: resulting in death; life threatening requiring hospitalization or prolongation of hospitalization; resulting in persistent or significant disability or incapacity; resulting in birth defect or congenital anomaly or medically important due to other reasons than above mentioned criteria.

An ADR is defined as harmful and unintended responses to the normal administration/use of drugs, in which a causal relationship with the drug in question cannot be ruled out. Adverse events (AEs) with unknown causality to the drug among those voluntarily reported will be also considered ADRs.

An AE is defined as any untoward and unintended signs (.example, anomalies in laboratory test results) or symptoms/diseases occurring during administration/use of drugs, etc., which do not necessarily have a causal relationship with the drug in question.

An ADR is defined as harmful and unintended responses to the normal administration/use of drugs, in which a causal relationship with the drug in question cannot be ruled out. AEs with unknown causality to the drug among those voluntarily reported will be also considered ADRs.

An ADR is defined as harmful and unintended responses to the normal administration/use of drugs, in which a causal relationship with the drug in question cannot be ruled out. AEs with unknown causality to the drug among those voluntarily reported will be also considered ADRs.

ORR is defined as the percentage of participants with BOR of CR, PR and SD as determined by investigator.