Table 3.

Clinicopathologic characteristics of newly diagnosed NMC.

Case	Age	Gender	Presentation	Primary Diagnosis
1	28	Male	Pleural effusion, left anterior mediastinal mass, and lymph node metastasis	Undifferentiated round cell sarcoma
2	39	Male	Mediastinal mass and multiple bone metastases	Poorly differentiated squamous cell carcinoma of probable thymic origin
3	61	Female	Mediastinal mass	Unclassified epithelioid malignant neoplasm
4	68	Female	Cough, weight loss, and a mediastinal mass at the mainstem bronchus and/or hilar region.	Poorly differentiated malignant neoplasm