Table I.

Clinical data of the four cases of pulmonary epithelioid hemangioendothelioma.

Case no.	Gender	Age (years)	Clinical symptoms	Disease site	Imaging findings	Tumor diameter (cm)	Treatment	Follow-up
1	Male	54	No obvious symptom	Left lung	Multiple nodules in both lungs	4 nodules: 0.5–1.0	Wedge resection of left upper lobe and left lower lobe	7 years, in stable condition
2	Female	54	Pleural effusion on right side for 1 month	Right upper lung	Irregular pleural thickening at right upper lobe	2 lesions: 3×2×1, 1×0.5×0.5	Wedge resection of right upper lobe with postoperative chemotherapy	Succumbed 3 years after surgery
3	Female	46	No obvious symptoms	Right upper lung	Irregular clumps below the pleura of the right upper lobe	Multiple lesions: 0.3–3	Right upper lobectomy, nodular resection in right middle lower lobe and pleural nodules	Postoperative follow-up for 6 months
4	Female	30	No obvious symptoms	Left lower lung	Multiple nodules in both lungs	2 nodules: 1.5–3	Left lower lobectomy	Postoperative follow-up for 5 months