What do you mean by multiple small lymph nodes in the armpit and mediastinum?

Axillary and mediastinal multiple small lymph nodes, this situation is the need to cause attention, generally consider two situations, the first is inflammation, such as mastitis. The second is tumor, is likely to be lung cancer or breast cancer metastasis. You'd better go to the hospital in time to do B ultrasound, ct, puncture and other examinations, a clear diagnosis.