Application of circulating tumor DNA liquid biopsy in nasopharyngeal carcinoma: A case report and review of literature

Figure 1 Positron emission tomography/computed tomography findings (July 5, 2022). A: (Head and neck) Thickening of soft tissue in the posterior wall of the nasopharynx, accompanied by a slight increase in glucose metabolism; Multiple enlarged lymph nodes in the bilateral walls of the oropharynx and bilateral parapharyngeal spaces, accompanied by increased glucose metabolism; B: (Pulmonary hilum and mediastinum) Multiple enlarged lymph nodes in the mediastinum and bilateral hilum, accompanied by increased glucose metabolism.