Table 1.

Clinical characteristics and surgical outcomes of four patients

Patient	Gender	Age	Location of tumor	Size of tumor (cm)	Operation time (min)	Blood loss (ml)	Number of ports	Discharge after operation (day)	Complication
1	Male	38	Mt	3.5	127	5	3	10	None
2	Female	43	Lt	5.0	133	12	3	9	None
3	Female	69	Lt/Mt	9.0	231	65	3	6	None
4	Female	38	Lt	3.0	60	3	3	4	None

Mt middle third of esophagus, Lt lower third of esophagus.