Fig. 2
From: Developing anterior mediastinum mass after orthotopic thyroidectomy: a case report

Axial T1 (a) and T2WI (b) demonstrating heterogeneous anterior mediastinal mass, with well-defined margins and regular contour, with heterogeneous hypointensity signal on T1WI (blue arrow), and heterogeneous with areas of low and high signal intensity on T2WI (green arrow)