The lump in the neck.
D006801:Humans; D008207:Lymphatic Metastasis / Q000175:diagnosis*; D008208:Lymphatic System / Q000033:anatomy & histology*; D009062:Mouth Neoplasms / Q000175:diagnosis*; D009303:Nasopharyngeal Neoplasms / Q000175:diagnosis*; D009333:Neck / Q000033:anatomy & histology*