Age Cutoff and Yield of Prompt Esophagogastroduodenoscopy to Detect Malignancy in Vietnamese with Upper Gastrointestinal Symptoms: An Endoscopic Database Review of 472,744 Patients from 2014 to 2019

Table 1

Endoscopic and histopathologic characteristics of the upper gastrointestinal malignancies.

Endoscopic and histopathologic characteristics	n (%)
Esophagus (n = 440)
Location, n (%)
Cervical	14 (3.2)
Upper thoracic	60 (13.6)
Middle thoracic	136 (30.9)
Lower thoracic	188 (42.7)
Abdominal	42 (9.5)
Endoscopic type^1, n (%)
Type 0	1 (0.2)
Type 1	247 (56.1)
Type 2	153 (34.8)
Type 3	17 (3.9)
Type 4	18 (4.1)
Type 5	4 (0.9)
Pathologic type, n (%)
Squamous cell carcinoma	375 (85.2)
Adenocarcinoma	49 (11.1)
Others	16 (3.7)
Stomach (n = 1735)
Location, n (%)
Upper part	109 (6.3)
Middle part	365 (21.0)
Lower part	975 (56.2)
≥ 2 parts involved	286 (16.5)
Endoscopic type^2, n (%)
Type 0	86 (5.0)
Type 1	186 (10.7)
Type 2	948 (54.6)
Type 3	301 (17.3)
Type 4	212 (12.2)
Type 5	2 (0.1)
Pathologic type, n (%)
Adenocarcinoma
Intestinal type	1250 (72.0)
Diffuse type	418 (24.1)
Lymphoma	59 (3.4)
Others	8 (0.5)
Duodenum (n = 26)
Location, n (%)
Superior duodenal flexure	3 (11.5)
Descending part	23 (88.5)
Endoscopic type, n (%)
Mass	15 (57.7)
Ulcerative	9 (34.6)
Infiltrative ulcerative	2 (7.7)
Pathologic type, n (%)
Adenocarcinoma	18 (69.2)
Secondary carcinoma (invasion or metastasis)	4 (15.4)
Lymphoma	2 (7.7)
Gastrointestinal stromal tumor	1 (3.8)
Neuroendocrine tumor	1 (3.8)

^{1, 2}The endoscopic types of esophageal and gastric cancers were reported according to the classifications of the Japanese Esophageal Society and the Japanese Gastric Cancer Association, respectively.