Table 2. Metastasis pattern of different histological types.
| Characteristics | SRC (A) | WMD (B) | PD (C) | |||||
|---|---|---|---|---|---|---|---|---|
| N (%) | P value (A vs. B) | N (%) | P value (B vs. C) | N (%) | P value (A vs. C) | |||
| Metastasis site | <0.001 | <0.001 | <0.001 | |||||
| Bone | 316 (40.1) | 143 (9.9) | 430 (18.2) | |||||
| Brain | 34 (4.3) | 50 (3.5) | 58 (2.5) | |||||
| Liver | 260 (33.0) | 968 (67.0) | 1,421 (60.2) | |||||
| Lung | 178 (22.6) | 284 (19.7) | 452 (19.1) | |||||
| Number of metastasis sites | 0.173 | 0.023 | 0.181 | |||||
| One | 520 (80.9) | 882 (77.6) | 1,452 (77.4) | |||||
| Two | 103 (16.0) | 201 (17.7) | 371 (19.8) | |||||
| Three | 18 (2.8) | 51 (4.5) | 49 (2.6) | |||||
| Four | 2 (0.3) | 2 (0.2) | 5 (0.3) | |||||
SRC, signet ring cell carcinoma; PD, poorly differentiated; WMD, well-to-moderately differentiated.