...• Progression free survival in the overall population• Overall response rate in the overall population• Disease control rate in the overall population• Safety of the combination and of the avelumab alone after the combination.• To evaluate the Health-Related Quality Of Life (HRQOL) according to FKIS-19 questionnaire and Health status/utility (EQ-5D-5L) test.• To test the predictive role of the immunohistochemistry expression of PBRM1, PD-L1, CD31 and immune infiltration CD8+.• To evaluate the changes citokines evaluated at baseline, after 8 weeks of therapy and at tumor progression. ...