Which of the following is about problems? [ ]

A. You cut yourself by chance

B. You burned yourself by accident

C. You injured your knee while running

D. A friend offers you a cigarette

男性，16岁，体格检查时透视下发现右侧胸腔内后侧第4胸椎旁有一大小为5cm×4cm的肿块。此时，最可能的诊断是（）

A.胸腺瘤

B.支气管肺癌

C.畸胎瘤

D.神经源性肿瘤

E.胸骨后甲状腺肿