Relationship between the 2005 WHO/EORTC and foci numbers (%).
| Foci type | PCMZL | PCFCL | PCLBCL (lower limb) | PCLBCL (other) | Unknown | Total |
|---|---|---|---|---|---|---|
| Single | 2 | 10 | 1 | - | - | 13 (43) |
| Multiple | - | 8 | 3 | 1 | 1 | 13 (43) |
| Diffused | - | - | 4 | - | - | 4 (13) |
| Total | 2 (6.7) | 18 (60) | 8 (26.7) | 1 (3.3) | 1 (3.3) | 30 (100) |