has participant quality AE severity G1 AE severity G2 AE severity G3 cranial neuropathy AE accessory nerve disorder AE http://en.volupedia.org/wiki/Accessory_nerve_disorder CTCAE: E12573 10060929 NCIt: C26953 This is an AE which is an injury to the spinal accessory nerve which results in diminished or absent function of the sternocleidomastoid muscle and upper portion of the trapezius muscle. QY, JX, HY 副神经障碍 MW, YH