Three Metachronous Osteosarcomas within 22 Years without Pulmonary Metastases: A Case Report and Review of the Literature

<table>Overview about localisation, timely occurrence, and operative intervention of the three metachronous osteosarcomas as in our 48-year-old male patient 30 years after first osteosarcoma diagnosis.</table>

Case Reports in Orthopedics

fig2

Figure 2

Figure 2: Three Metachronous Osteosarcomas within 22 Years without Pulmonary Metastases: A Case Report and Review of the Literature 