Primary Monophasic Synovial Sarcoma of the Plantar Foot with Pulmonary Metastases in a Young Adult: A Rare Case Report.

This case illustrates a rare and aggressive presentation of synovial sarcoma arising in the plantar foot, emphasizing the importance of including synovial sarcoma in the differential diagnosis of soft tissue masses in distal extremities. Early imaging, accurate histopathological assessment, and a multidisciplinary treatment approach are essential for optimizing outcomes in such high-grade, metastatic presentations.