This Lymph Node Was Removed from the Lateral Side of the Neck

Multiple Choice

This lymph node was removed from the lateral side of the neck of a 38-year-old woman who had a thyroidectomy. She had an enlarged, painless thyroid but had no signs of altered thyroid function. The lymph node shows signs of

A) autoimmune disease
B) bacterial infection
C) hyperplasia
D) neoplasia
E) metaplasia