They are usually located in the neck (75%) or axillary region (20%), with only 1% localized in the mediastinum.
They are usually located in the neck (75%) or axillary region (20%), with only 1% localized in the mediastinum.
其发生部位，在颈部占75%，腋窝部占20%，而纵膈腔祗有1%。