Unexpected metastasis of thyroid cartilage involvement from lung adenocarcinoma: A case report

Figure 1 The laryngoscopy in the patient. A: Pre-treatment laryngoscopy: Blood-stained secretions attached to the lateral wall of the left piriform sinus, narrowing of the sinus; B: Laryngoscopy one month post-treatment: With disappearance of blood-stained secretions in the left piriform sinus, narrowing was less pronounced.