Found this:
“ Despite optimal treatment, HCC continues to have a high recurrence rate. It recurs in 50-80% of patients following resection, with the majority of recurrences developing within 2 years. Careful follow-up in the postoperative period is mandatory.”
https://www.medscape.com/answers/197319-39257/how-common-is-recurrence-of-hepatocellular-carcinoma-hcc