Participants with advanced or unresectable HCC will initiate treatment with lenvatinib capsules based on physicians decision and will be observed until withdrawal of consent, loss to follow-up, death or until the end of the study (up to 7 years) whichever occurs first.

Participants with advanced or unresectable HCC will initiate treatment with sorafenib tablets based on physicians decision and will be observed until withdrawal of consent, loss to follow-up, death or until the end of the study (up to 7 years) whichever occurs first.

Oral capsules.

AEs are defined as undesirable events not present prior to medical treatment, or an already present event that worsens either in intensity or frequency following the treatment with lenvatinib. AEs will be graded using National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE). Here Grade 3: severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self-care activity of daily living, Grade 4: life-threatening consequences; urgent intervention indicated and Grade 5: death related to AEs.

Number of participants with one or more TEAEs Leading to Dose Modifications and Treatment Discontinuations of Lenvatinib will be collected at the discretion of the treating physician and in accordance with the prescribing information.