Would you consider adding IO therapy to 1st-line platinum/etoposide in a patient with metastatic extrapulmonary small cell carcinoma?

The use of platinum based chemotherapy for extra pulmonary small cell is a tradition that has some data to support its use, but the majority of enthusiasm stems from its efficacy in pulmonary small cell. The use of IOs in small cell is now reshaping the field and thus brings this type of question fo...