Table 1. Case reports in which GCP either co-occurred with or resembled gastric neoplasms.

Ref.	Age	Sex	Prior gastric surgery	Symptom	Involved gastric layer(s)	Gastric tumor	GCP IHC	Treatment	Survival outcome
(9)	63	M	No	Abdominal pain	Mucosa	ADC	KCNE2, ER	Distal gastrectomy	NR
(10)	55	M	No	No stomach or intestinal symptoms	Submucosa	ADC	NR	Endoscopic submucosal dissection	AWED, 39 months
(11)	45	M	No	Epigastric abdominal pain and black stool	Mucosa, submucosa	ADC	NR	Total gastrectomy with esophagojejunostomy, abdominal lymphadenectomy, feeding jejunostomy, and bilateral vagotomies	NR
(12)	51	M	No	Abdominal pain	Submucosa, muscularis propria, subserosa	ADC	Ki-67, p53, p21WAF1/CIP1	Total gastrectomy	AWED, 10 years
(13)	83	F	Gastrojejunostomy 50 years prior	Epigastric discomfort	Mucosa, submucosa	ADC, signet ring cell carcinoma	Ki-67	Distal gastrectomy, regional lymphadenectomy	AWED, 46 months
(14)	67	M	No	Melena, ulcerated bleeding	Submucosa, muscularis propria	No tumor observed. GCP lesion mimicked GIST in GI tract bleeding and endoscopic ultrasonography	NR	Surgical resection of the lesion	NR
(15)	61	M	No	None	Mucosa, submucosa, muscularis propria	No tumor observed. GCP lesion mimicked solid submucosal tumors in radiologic evaluation	CD68	Laparoscopic wedge resection	AWED. Duration not reported

GCP, gastritis cystica profunda; IHC, immunohistochemistry; ADC, adenocarcinoma; NR, not reported; AWED, alive with no evidence of disease; GIST, gastrointestinal stromal tumor; GI, gastrointestinal.