How would you treat a patient with muscle invasive urothelial carcinoma with squamous differentiation?

In general, pure and predominant urothelial carcinoma (majority or >50% of tumor consisting of urothelial carcinoma) have been treated similarly at least in trials. Patients with predominant or pure non-urothelial histology have typically not been enrolled in trials of urothelial carcinoma. There ar...