Table 3.

Summary of features of pulmonary metastases on chest CT for STS.

Features of pulmonary metastases in STS
Features likely indicative of metastases:
Nodule size >5 mm (~92% metastatic; median size of metastases 6.1 mm))
New nodules at follow-up (~70% metastatic)
Features likely indicative of benign nodules:
Nodule size <5 mm (~67% non-metastatic; median size of benign nodules 3.5 mm)
Nodule size <3 mm (~80% non-metastatic)
No increase in size or number after 1 year follow-up

STS, soft tissue sarcoma.