Table 3.
Characteristics of no-treatment patients for LNM.
| No. | |
|---|---|
| Age at diagnosis (y) | Median 74 (61–79) |
| <50 | 0 |
| ≥50 | 7 |
|
| |
| Gender | |
| Male | 4 |
| Female | 3 |
|
| |
| Tumor site | |
| Upper extremity | 1 |
| Lower extremity | 4 |
| Trunk | 2 |
|
| |
| Tumor location | |
| Superficial | 0 |
| Deep | 7 |
|
| |
| Tumor size (cm) | |
| <5 | 1 |
| ≥5 | 6 |
|
| |
| Histology | |
| Myxofibrosarcoma | 2 |
| Undifferentiated pleomorphic sarcoma | 1 |
| Epithelioid sarcoma | 1 |
| Dedifferentiated liposarcoma | 1 |
| Myxoid liposarcoma | 1 |
| Malignant peripheral nerve sheath tumor | 1 |
|
| |
| Tumor grade | |
| 1 | 0 |
| 2 | 4 |
| 3 | 3 |
|
| |
| Surgical stage | |
| IB | 0 |
| IIA | 1 |
| IIB | 3 |
| III | 2 |
| IV | 1 |
|
| |
| Treatment for the primary tumor | |
| Surgery | 5 |
| Carbon ion | 1 |
| None | 1 |
|
| |
| Type of surgery | |
| Intralesional excision | 1 |
| Marginal excision | 1 |
| Wide excision | 3 |
|
| |
| Pulmonary metastasis | |
| Absent | 4 |
| Present | 3 |