Fusion of FDG-PET Image and Clinical Features for Prediction of Lung Metastasis in Soft Tissue Sarcomas

Table 1

Patient and tumor characteristics.

Clinical parameters
Age, years ()
Gender, (%)
Male	24 (47.1)
Female	27 (52.9)
Histology, (%)
Malignant fibrous histiocytomas	17 (33.3)
Liposarcoma	11 (21.6)
Leiomyosarcoma	10 (19.6)
Synovial sarcoma	5 (9.8)
Extraskeletal bone sarcoma	4 (7.8)
Fibrosarcoma	1 (2.0)
Other	3 (5.9)
Grade, (%)
High	28 (54.9)
Intermediate	15 (29.4)
Low	5 (9.8)
Unknown	3 (5.9)
Metastases, (%)
Lung	19 (37.3)
Other	5 (9.8)
None	27 (52.9)
Time, days ()
Diagnosis to outcome	285.7 ± 252.3
Diagnosis to last follow-up	849 ± 447.4
Status, (%)
No evidence of disease	26 (51.0)
Alive with disease	9 (17.6)
Dead	15 (29.4)

Note: SD: standard deviation; : number; diagnosis to outcome: days elapsed between the date of diagnosis of primary STS (biopsy) and the date of diagnosis of recurrence or metastases; diagnosis to last follow-up: days elapsed between the date of diagnosis of primary STS (biopsy) and the date of last-follow-up (or death, if applicable).