Unveiling the secrets of gastrointestinal mucous adenocarcinoma survival after surgery with artificial intelligence: A population-based study

Table 1 Data filtering condition

Option in SEER	Value
Database	SEER Research Plus Data, 18 registries. Nov 2020 Sub (2000-2018)
ICD-O-3 Hist/behav	8480/3: Mucinous adenocarcinoma
Primary site-labeled	C16.0-Cardia, NOS
	C16.1-Fundus of stomach
	C16.2-Body of stomach
	C16.3-Gastric antrum
	C16.4-Pylorus
	C16.5-Lesser curvature of stomach NOS
	C16.6-Greater curvature of stomach NOS
	C16.8-Overlapping lesion of stomach
	C16.9-Stomach, NOS
	C17.0-Duodenum
	C17.1-Jejunum
	C17.2-Ileum
	C17.8-Overlapping lesion of small intestine
	C17.9-Small intestine, NOS
	C18.0-Cecum
	C18.1-Appendix
	C18.2-Ascending colon
	C18.3-Hepatic flexure of colon
	C18.4-Transverse colon
	C18.5-Splenic flexure of colon
	C18.6-Descending colon
	C18.7-Sigmoid colon
	C18.8-Overlapping lesion of colon
	C18.9-Colon, NOS
	C19.9-Rectosigmoid junction
	C20.9-Rectum, NOS
Other	Receive surgery and records without missing value

SEER: The Surveillance, Epidemiology, and End Results; ICD-O-3: The International Classification of Diseases for Oncology, Third Edition; NOS: Not otherwise specified.