Background: Few reports have investigated the effect of primary tumor resection on lung metastasis and prognosis in patients with bone and soft-tissue sarcoma, and we evaluated its effect on lung metastasis and prognosis.
Patients and methods: We retrospectively identified patients with lung metastasis from bone and soft-tissue sarcoma. We examined the factors affecting prognosis and the rate of lung metastasis increase.
Results: A total of 48 patients were included. The multivariate analysis revealed that poor prognosis was significantly associated with a large maximum diameter of lung metastasis at the first visit and a rapid rate of increase (p=0.0400 and p=0.0003, respectively). The multivariate logistic regression analysis revealed that the rate of increase of size of lung metastases was only significantly associated with a large maximum diameter at the first visit (p=0.0245).
Conclusion: Primary tumor resection of bone and soft-tissue sarcoma in patients with lung metastasis was not shown to affect their prognosis.
Keywords: Sarcoma; lung metastasis; primary tumor; prognosis.
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