Assessment of the status of micrometastasis and tumor spillage among the patients undergoing thoracoscopic esophagectomy for carcinoma esophagus

Table 1 Demographic and clinicopathological profile of patients with esophageal carcinoma

	Total number of patients, n = 19	Percentage (%)
Age, years	52 (range: 26-70)
Sex
Male	10	52.6
Female	9	47.4
ECOG PS I	19
Body mass index, kg/m2, mean ± SD	22.03 ± 3.24
Underweight	1	5.3
Normal	15	8.9
Overweight	3	15.8
Obese	0	0
Site of lesion esophagus
Mid thoracic	6	31.6
Lower thoracic	3	15.8
Lower thoracic with GEJ	9	47.4
Mid and lower thoracic	1	5.3
Histologic type (pre-surgery)
Squamous cell carcinoma	15	78.9
Adenocarcinoma	4	21.1
Neoadjuvant therapy
Chemoradiotherapy	11	57.8
Chemotherapy	4	21.1
Upfront surgery	4	21.1
Histologic type (post-surgery)
Squamous cell carcinoma	12	63.2
Adenocarcinoma	4	21.1
No residual tumor	3	15.8
TNM stage
Stage I	9	47.4
Stage II	4	21.1
Stage III	5	26.3
Stage IV	1	5.3

ECOG: Eastern Cooperative Oncology Group; PS: Performance status; GEJ: Gastroesophageal junction; TNM: Tumor-nodes-metastasis.