Clinical Study
Gastric Stump Cancer: More Than Just Another Proximal Gastric Cancer and Demanding a More Suitable TNM Staging System
Table 1
Distribution of clinicopathologic parameters according to the type of carcinoma.
| | Parameters | GSC
(9.2) | PGC
(49.4) | EGJC
(41.4) | P value |
| | Gender | | | | <0.001 | | Male | 44 (93.6) | 164 (64.8) | 157 (74.1) | | | Female | 3 (6.4) | 89 (35.2) | 55 (25.9) | | | Resection status | | | | 0.011 | | R0 | 42 (89.4) | 152 (83.1) | 70 (70.7) | | | R1/R2 | 5 (10.6) | 31 (16.9) | 29 (29.3) | | | Macroscopy | | | | 0.007 | | Fungat./ulcerofungat. | 24 (52.2) | 76 (32.2) | 83 (43.0) | | | Ulcerating/ulceroinfilt. | 15 (32.6) | 140 (59.3) | 91 (47.2) | | | Infiltrative | 7 (15.2) | 20 (8.5) | 19 (9.8) | | | Lauren classification | | | | 0.008 | | Intestinal | 25 (55.6) | 106 (44.2) | 112 (58.6) | | | Diffuse | 5 (11.1) | 57 (23.8) | 24 (12.6) | | | Unclassified | 15 (33.3) | 77 (32.1) | 55 (28.8) | | | Depth of wall penetration | | | | 0.003 | | pT1 | 3 (6.5) | 48 (19.6) | 16 (7.9) | | | pT2 | 5 (10.9) | 20 (8.2) | 26 (12.9) | | | pT3 | 22 (47.8) | 90 (36.7) | 70 (34.7) | | | pT4 | 16 (34.8) | 87 (35.5) | 90 (44.6) | | | Nodal metastases | | | | 0.49 | | Absent | 17 (36.2) | 82 (35.7) | 53 (30.3) | | | Present | 30 (63.8) | 148 (64.3) | 122 (69.7) | | | Nodal metastases | | | | 0.013 | | pN0 | 17 (36.2) | 82 (35.7) | 53 (30.3) | | | pN1 | 11 (23.4) | 40 (17.4) | 31 (17.7) | | | pN2 | 13 (27.7) | 28 (12.2) | 38 (27.7) | | | pN3 | 6 (12.8) | 80 (34.8) | 53 (30.3) | | | Nodal ratio | | | | 0.48 | | ≤20% | 27 (57.4) | 140 (61.7) | 92 (55.8) | | | >20% | 20 (42.6) | 87 (38.3) | 73 (44.2) | | | Lymphatic vessels invasion | | | | 0.004 | | Absent | 6 (12.8) | 61 (25.3) | 28 (13.6) | | | Present | 41 (87.2) | 180 (74.7) | 178 (86.4) | | | Venous invasion | | | | 0.26 | | Absent | 19 (40.4) | 109 (45.0) | 76 (37.4) | | | Present | 28 (59.6) | 133 (55.0) | 127 (62.6) | | | Distant metastasis | | | | 0.39 | | Absent | 45 (95.7) | 225 (90.0) | 188 (92.2) | | | Present | 2 (4.3) | 25 (10.0) | 16 (7.8) | | | AJCC stage | | | | 0.076 | | I-II | 21 (45.7) | 111 (48.9) | 65 (37.6) | | | III-IV | 25 (54.3) | 116 (51.1) | 108 (62.4) | |
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Values in parentheses are percentages unless indicated otherwise.
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