Table 4. Clinical data of six patients with tumors with a wide base.

Case	Gender	Age	Symptoms and signs	Tumor size (cm3)	Tumor origin	Margin	Malignancy
1	Female	33	Chest pain	5×4.5×3.5	Parietal pleura	Clearly defined	Fair
2	Female	64	Chest tightness and clubbed fingers	18×14×12	Parietal pleura	Clearly defined	Fair
3	Female	45	None	3×3×2.5	Visceral pleura	Unclear	Fair
4	Female	30	Joint swelling	5.5×4×4	Parietal pleura	Unclear	Malignancy
5	Female	59	Chest pain, chest tightness, cough, and hypoglycemia	20×19×10	Visceral pleura	Clearly defined	Fair
6	Male	48	Cough	25×17×9	Parietal pleura	Unclear	Malignancy