A 56-year-old man presents with an intranasal mass. What is your diagnosis?
A 35-year-old woman presents with symptoms of dyspnea. Chest films detects the presence of an anterior mediastinal cystic mass. What is your diagnosis?
A 23-year-old young man presents with pain in his left calf. A physical examination detects a mass in the calf area. What is your diagnosis?