the detection of immune system leading to malignancies. We will also be looking into the treatment strategies based on these mechanisms.Aims: Basal and luminal molecular subgroups of muscle-invasive urothelial carcinoma (UC) can be recognised by the use of immunohistochemical markers. Studies have shown that responses to chemotherapy and outcomes differ among these subtypes. High-grade UC of the bladder is an immunogenic neoplasm that induces a substantial intratumoral and peritumoral immune response; the