[P-09] Metastasis of primary breast undifferentiated pleomorphic sarcoma to the lung mimicking adenocarcinoma on cytology: a case report

Undifferentiated pleomorphic sarcoma (UPS) constitutes less than of all sarcomas in adults. UPS dissemination usually occurs haematogenously, lungs are the primary organs for metastasis. We herein present a patient with UPS of the breast with lung metastases after 12 years. Cytological diagnosis mass in the lung is extremely challenging because it is mimicking primary adenocarcinoma of the lung....