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Classification and proportion of UCC.
| UCC, shunt | Incidence, n (%) | Ratio (%) |
|---|---|---|
| Splenorenal | 59 (8.43) | 50.00 |
| Gastric-renal | 50 (7.14) | 42.37 |
| Paravertebral | 3 (0.43) | 2.54 |
| Retroperitoneal | 2 (0.29) | 1.69 |
| Gastric-splen | 2 (0.29) | 1.69 |
| Cardiac angle vein | 2 (0.29) | 1.69 |
| Total | 118 (16.86) | 100.00 |
UCC, uncommon collateral circulation.
