Staging laparoscopy in esophagogastric junction cancer: Systematic review and meta-analysis

Table 14 Tumor classification systems used in included studies

Ref.	Siewert classification	AJCC classification
Halle-Smith et al[13], 2024	No	No
Mitchell et al[14], 2023	Yes	Yes
Strandby et al[15], 2020	No	Yes
Mirza et al[16], 2016	yes	Yes
Strandby et al[17], 2016	Yes	Yes
Simon et al[18], 2016	Yes	No
Bhatti et al[19], 2014	No	Yes
Munasinghe et al[20], 2013	No	No
Nath et al[21], 2008	Yes	No
Sarela et al[22], 2006	No	No
Clements et al[23], 2004	Yes	No
Menon and Dehn[24], 2003	No	No
Nieveen van Dikjum et al[25], 1999	No	No
Romijn et al[26], 1998	No	No
Stein et al[27], 1997	Yes	yes
O´brien et al[28], 1995	No	No
Dagnini et al[29], 1986	No	No
Bemelman et al[30], 1995	No	No

Siewert classification and/or the American Joint Committee on Cancer. AJCC: American Joint Committee on Cancer.