Gifu Prefectural Tajimi Hospital

Metastatic Urachal Carcinoma With Microsatellite Stability and Low Tumor Mutational Burden Achieving a Durable Response to Pembrolizumab After Platinum Failure

ABSTRACT Introduction Urachal carcinoma is a rare and aggressive malignancy with no established systemic therapy after platinum failure. Evidence for immune checkpoint inhibitors (ICIs) remains limited, particularly in tumors without established favorable biomarkers such as micro...