Table 1.

Neuroendocrine carcinoma and gastric adenocarcinoma collision tumors.

Author	Sex/age	Gastric adenocarcinoma	Nodes	Follow-up	Adjuvant treatment
Grossi and Lattes [39], 1956	M/74	N/A	N/A	12 m	N/A
Parks [20], 1970	M/54	N/A	NEC/GA (+)	3 m (DOD)	N/A
Yamashina and Flinner [40], 1985	M/50	Mixed	NEC (+)	N/A	N/A
Yoshino et al. [37], 1987	F/63	WD	N/A	N/A	N/A
Chodankar et al. [41], 1989	F/69	WD	—	N/A	N/A
Morishita et al. [28], 1991	M/49	MD	N/A	N/A	N/A
Corsi and Bosman [42], 1995	M/72	MD	N/A	N/A	N/A
Fukui et al. [21], 2001	M/63	PD	N/A	N/A	N/A
de Leval et al. [11], 2002	M/87	WD	NEC (+)	1 m (DOD)	N/A
Olinici et al. [43], 2004	M/68	N/A	N/A	N/A	N/A
Morishita et al. [44], 2005	F/84	MD	GA (+)	33 m	N/A
Jayaraman et al. [45], 2005	M/48	MD	N/A	N/A	N/A
Jang et al. [10], 2010	M/50	WD	NEC (+)	N/A	N/A
Doggui et al. [12], 2008	M/55	N/A	N/A	3 m (DOD)	Chemo
Mardi et al. [46], 2008	F/47	WD	GA (+)	N/A	N/A
Mróz et al. [8], 2009	M/56	PD	GA (+)	N/A	N/A
Lee et al. [33], 2011	M/62	PD	—	N/A	N/A
Ünal et al. [35], 2013	F/51	MD	GA (+)	5 m (DOD)	N/A

N/A: Not available.

WD: Well differentiated.

MD: Moderately differentiated.

PD: Poorly differentiated.

NEC: Neuroendocrine carcinoma.

GA: Gastric adenocarcinoma.

m: Months.

DOD: Dead of disease.