Fig. 5From: Abscopal effect of radiation on multiple lung metastases of lung adenocarcinoma: a case reportClinical course. The levels of serum carcinoembryonic antigen (CEA) dropped from 154.5 ng/mL to 30.9 ng/mL after the irradiation therapy and further decreased to 6.8 ng/mL at 3 months post treatment; however, the levels increased again to 19.7 ng/mL at 6 months after completion of the irradiation therapyBack to article page