Table 3.

Squamous cell carcinoma and gastric adenocarcinoma collision tumors.

Author	Sex/age	SCC	GA	Nodes	Follow-up	Adjuvant treatment
Wanke [50], 1972	M/52	N/A	N/A	(−)	N/A	N/A
Majmudar et al. [7], 1978	M/63	WD	N/A	GA (+)	N/A	N/A
Spagnolo and Heenan [51], 1980	M/73	WD	MD	N/A	2 m (DOD)	—
	M/50	MD	MD	N/A	Not operated
Washizawa et al. [52], 1999	M/68	WD	MD	SCC/GA (+)	12 m (DOD)	N/A
Komatsu et al. [27], 2003	M/73	MD	WD	SCC (+)	19 m	N/A
Milne et al. [5], 2004	N/A	N/A	N/A	N/A	N/A	N/A
	N/A	N/A	N/A	N/A	N/A	N/A
Santos et al. [53], 2006	M/37	MD	MD	(−)	11 m (DOD)	N/A

SCC: Squamous cell carcinoma.

GA: Gastric adenocarcinoma.

WD: Well differentiated.

MD: Moderately differentiated.

m: Months.

DOD: Dead of disease.

N/A: Not available.