SERPINB3 and squamous cell carcinoma: The patient’s laboratory data before irradiation showed normal values except for elevated levels of serum squamous cell carcinoma (SCC) antigen, which increased to 73.5 ng/mL (normal range: 0–1.5 ng/mL) The serum level of the SCC antigen after irradiation had also decreased to the normal range (0.6 ng/mL) [68].