Overall survival (OS) and event-free survival (EFS). (A) OS and EFS for all eligible patients. (B) OS and EFS for eligible patients excluding those with gross total resection. (C) OS by histology (blue line, germinoma with > 50 IU/L hCG; gold, embryonal carcinoma; gray, teratoma malignant; red, mixed germ cell tumor [GCT]; black, choriocarcinoma). Of note, patients with increased markers and no histology were coded as having mixed germ cell disease. g, group.