Thymic Carcinoma Associated With Multilocular Thymic Cyst

We present 7 cases of thymic carcinoma associated with a multilocular thymic cyst (MTC). The patients were 5 men and 2 women aged 22 to 71 years (mean, 49.3 y). Clinically, 6 patients presented with chest, sternal, or upper extremity pain, and in 1 patient the tumor was an incidental finding. Grossly, 4 tumors were described as multilobulated solid-cystic masses, whereas 3 cases were described as solid tumors with a white-yellow cut surface and...