In January, Jace Yawnick was diagnosed with non-Hodgkin lymphoma — now he is creating ... in the upper chest area called the mediastinum. Early symptoms include a cough, shortness of breath ...

Primary mediastinal B-cell lymphoma starts in a part of your chest ... which means there are no signs or symptoms of cancer in your body. But the cancer can come back, or relapse.

including the abdomen and mediastinum, and progresses more aggressively than HL. Burkitt lymphoma, a subtype of NHL, has ...