Table 2 CT morphological findings of 18 primary intrathoracic malignant mesenchymal tumours

 Mediastinum

6

33

 Lung

5

28

 Pleural/chest wall based

7

39

 Round/ovoid

5

28

 Irregular

12

67

 Undetermined

1

6

 Smooth

12

67

 Lobulated

4

22

 Spiculated

0

0

 Undefined

2

11

 Homogeneous

3

17

 Heterogeneous

8

44

 Large necrosis

7

39

Calcification

2

11

Pleural effusion

11

61

Intratumoural vessels

11

61

Chest wall/rib involvement

4

22

Intrathoracic suspect lymph nodes

4

22