Table II.

Result of the classification of the 445 mediastinal masses into the JART mediastinal compartment model.

	Mediastinal compartments
Mediastinal masses	S	A	M	P	Total
Intrathoracic goiter	14	1	2	-	17
Thymoma	-	192	1	-	193
Thymic carcinoma	-	52	1	-	53
Thymic malignant lymphoma	-	24	-	-	24
Mature teratoma	2	24	-	1	27
Malignant germ cell tumors	-	30	1	-	31
Pericardial cyst	-	10	5	-	15
Bronchogenic cyst	1	6	20	7	34
Esophageal duplication cyst	-	-	2	-	2
Neurogenic tumors	10	4	6	29	49
Total	27	343	38	37	445

S, superior portion of the mediastinum; A, anterior mediastinum; M, middle mediastinum; P, posterior mediastinum.