Table 5. Clinical and pathological features of eight patients with malignant SFTP.

Case	Gender	Age	Signs	Tumor origin	Size (cm3)	Margin	Wide base	Others
1	Male	67	Cough	Parenchymal of lower left lung	4×4×3.5	Clearly defined	No	None
2	Male	48	None	Left parietal pleura	20×10×9	Clearly defined	No	None
3	Female	30	Joint swelling	Left mediastinal pleura	5.5×4×4	Clearly defined	Yes	None
4	Male	69	None	Right visceral pleura	9.5×7.5×5	Unclear	No	None
5	Female	44	Chest tightness and short of breath	—	—	—	—	—
6	Female	60	Chest pain	Lower left visceral pleura	11×11×6	Unclear	No	Necrosis
7	Male	48	Cough	Left mediastinal pleura	25×17×9	Unclear	Yes	Mucinous change

“Others” refers to conditions including internal hemorrhage, local necrosis, cystic change, mucinous change, internal spaces, or hyaline degeneration. E5 did not receive surgical treatment and therefore no relevant data are available.