Impact of the Siewert Classification on the Outcome of Patients Treated by Preoperative Chemoradiotherapy for a Nonmetastatic Adenocarcinoma of the Oesophagogastric Junction

Table 1

Patient, tumor, and characteristics.

	Patients
	= 68
Center of treatment, (%)
1	6 (8.8)
2	56 (82.4)
3	1 (1.5)
4	5 (7.4)
Mean age (years, range)	61 (26–79)
Gender (, %)
Men	60 (88.2)
Women	8 (11.8)
Karnofsky performance status (range)
Median	90 (50–100)
UST stage (, %)
UST1	1 (1.5)
UST2	7 (10.3)
UST3	54 (79.4)
UST4	5 (7.4)
NA	1 (1.5)
USN stage (, %)
USN0	9 (13.2)
USN1	58 (85.3)
NA	1 (1.5)
Mean tumoral length (mm, range)	48.2 mm (19–110)
Siewert classification, (%)
1	15 (22.1)
2	45 (66.2)
3	5 (7.4)
NA	3 (4.4)
ypT, (%)
ypT0	16 (23.5)
ypT1	6 (8.8)
ypT2	18 (26.5)
ypT3	18 (26.5)
ypT4	3 (4.4)
NA	7 (10.3)
ypN, (%)
ypN0	33 (48.5)
ypN1	27 (39.7)
ypN2	3 (4.4)
NA	5 (7.4)
Histological tumoral size (mm, range)	22.4 (0–70)

NA: nonavailable.