KRT88P and hepatitis B virus infection: Due to the increased risk of the reactivation of hepatitis B in patients who will receive immunosuppressive or cytotoxic therapies, many institutes have suggested screening before treatment is initiated, with at least HBsAg, anti-HBc, and anti-HBs (9, 10, 23–28); all those who are negative for HBsAg, anti-HBc, and anti-HBS should be vaccinated against HBV.