Site happened was particularly prevalent in the head and neck, armpits, groin, neck, preauricular, retroauricular, stock lymph nodes, submandibular lymph nodes and so on.

• 发生的部位多见于头颈部、腋窝、腹股沟、颈后、耳前、耳后、股淋巴结、颌下淋巴结等。