Table 1.
Clinical and pathological characteristics of 117 GC patients
| Characteristics | number, n (%) | |
|---|---|---|
| Sex | Male | 56 (48) |
| Female | 61 (52) | |
| Primary gastric cancer location | Antral part | 16 (13.7) |
| Corpus | 44 (37.6) | |
| Proximal part | 1 (0.9) | |
| Antral part + corpus | 26 (22.2) | |
| Corpus + proximal part | 2 (1.7) | |
| Subtotal or total lesion | 24 (20.5) | |
| Unknown | 4 (3.4) | |
| Tumour histology | G2 | 8 (6.8) |
| G3 | 25 (21.4) | |
| G4 | 48 (41) | |
| Signet ring cell | 24 (20.5) | |
| Mucinous | 5 (4.3) | |
| Other | 1 (0.9) | |
| Unknown | 6 (5.1) | |
| Curative group (n = 70) | ||
| Stage of peritoneal carcinomatosis according to Japanese classification (JGCA) | P0 (CY1) | 4 (5.7) |
| P1 | 28 (40) | |
| P2 | 31 (44.3) | |
| P3 | 7 (10) | |
| Peritoneal cancer index, points | 0‐6 | 49 (70) |
| 7‐12 | 13 (18.6) | |
| 13 and more | 7 (10) | |
| Unknown | 1 (1.4) | |
| Mean peritoneal cancer index, points | 5,6 ± 3,6 (0‐19) | |
| Ascites | Present | 3 (4.3) |
| Absent | 67 (95.7) | |
| pT (TNM 7, 2009) | pT4a | 54 (77.2) |
| pT4b | 15 (21.4) | |
| Unknown | 1 (1.4) | |
| pN | pN0 | 15 (21.4) |
| pN+ | 38 (54.3) | |
| Unknown | 17 (24.3) | |
| Completeness of cytoreduction score | CC‐0 | 50 (71.4) |
| CC‐1 | 15 (21.4) | |
| CC‐2,3 | 5 (7.2) | |
| Postoperative systemic chemotherapy | Yes | 44 (62.9) |
| No | 17 (24.3) | |
| Unknown | 9 (12.8) | |
| Adjuvant group (n = 37) | ||
| pT (TNM 7, 2009) | pT4a | 29 (78.4) |
| pT4b | 8 (21.6) | |
| Total circular tumor infiltration of stomach serous membrane | Present | 10 (27) |
| Absent | 27 (73) | |
| pN | pN0 | 12 (32.4) |
| pN+ | 24 (64.9) | |
| Unknown | 1 (2.7) | |
| Stage (TNM 7, 2009) | IIB | 10 (27) |
| IIIA | 2 (5.4) | |
| IIIB | 12 (32.4) | |
| IIIC | 13 (35.2) | |
| Postoperative systemic chemotherapy | Yes | 8 (21.6) |
| No | 28 (75.7) | |
| Unknown | 1 (2.7) | |
| Palliative group (n = 10) | ||
| Mean volume of ascitic fluid, litres | 5,5 ± 1,4 (3,5‐8) | |
| Mean peritoneal cancer index, points | 30,6 ± 6,1 (15‐39) | |