Primary mediastinal B-cell non-Hodgkin lymphoma ... usually develop in a part of the lymphatic system called the thymus gland ...

We stained sections of the mass with hematoxylin and eosin and examined them using light microscopy. The mediastinal mass histologically corresponded to a neoplasm composed of lymphoid cells and ...

It descends to its usual location in the anterior superior mediastinum by the end of the second month of gestation. [1] The mature thymus gland has a pyramidal shape and comprises two incompletely ...