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Figure 1: PA (A) and Lateral (B) chest X-rays showing a large homogeneous soft tissue mass.
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F1
Unexpectedly chest x-ray revealed a large homogeneous mediastinal paracardiac mass in the left hemithorax (Fig. 1).
Figure 2: Axial CT scan showing a well-demarcated multi-septated cystic mass compatible with mediastinal teratoma.
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F2
Contrast enhanced computed tomography (CT) scans confirmed a well-demarcated mediastinal partially cystic mass of about 11x9x8 cm with regular borders, completely enclosing the thymus and containing soft tissue, fat and a small calcification (Fig. 2,3).
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