Teratoma during Pregnancy with Positive Estrogen and Progesterone Receptors and Elevated Ca19-9 Antigen Levels

<table>(A) Mediastinal lesion on chest radiography. (B) A mass with heterogenousdensity andcalcificationsin anterior mediastinum onthorax CT. (C) and (D), heart and main vascular structures are displaced by the mass on thoracic MRI.</table>

Case Reports in Surgery

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Figure 1

Figure 1: Teratoma during Pregnancy with Positive Estrogen and Progesterone Receptors and Elevated Ca19-9 Antigen Levels 