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Updated: Jul 3, 2026

Practical Considerations in Studying Metastatic Lung Colonization in Osteosarcoma Using the Pulmonary Metastasis Assay
Published on: March 12, 2018
Metastatic pulmonary leiomyosarcoma presenting with a long disease-free interval: report of a case
Hitoshi Nishikawa1, Ryoichi Nakanishi
1Department of Thoracic Surgery, Shin-Kokura Hospital, Federation of National Public Service, Personnel Mutual Aid Associations, Kitakyushu, Japan.
Abstract:
The prognosis in patients with retroperitoneal leiomyosarcoma and its distant metastasis is poor. We herein present an extremely rare case of an 83-year-old woman with a pulmonary metastasis from retroperitoneal leiomyosarcoma. The disease-free interval between the resection of the primary tumor and the diagnosis of metastasis was longer than 23 years. She was successfully treated with a video-assisted thoracic surgery lobectomy.
