Among these reports, the elevated biomarkers included CA 19-9 (14 cases), CA 125 (5 cases), CEA (5 cases), CA 50 (1 case), CYFRA 21-1 (1 case), NSE (1 case), NCC-ST-439 (1 case), free normetanephrine (1 case), and sialyl Lewis X-i (SLX; 3 cases), which were all decreased to within the normal range after resection of the sequestrated lung tissues, regardless of the concomitant ovarian cyst, bronchogenic cyst or mycosis. The gene discussed is CEACAM5; the disease is Ovarian cyst.