Lumps in the neck.
D006258:Head and Neck Neoplasms / Q000601:surgery; D006801:Humans; D006961:Hyperparathyroidism; D008223:Lymphoma; D010282:Parathyroid Neoplasms; D011183:Postoperative Complications; D012468:Salivary Gland Neoplasms; D013964:Thyroid Neoplasms; D014388:Tuberculosis, Lymph Node