<qa>  What is the name of the cancer that is a squamous cell carcinoma ofThis study will evaluate the safety and tolerability of durvalumab MEDI4736 tremelimumab in combination with first line chemotherapy regimens in patients with locally advanced or metastatic solid tumors: ovarianperitonealfallopian tube cancer, squamous cell carcinoma of the head and neck SCCHN, triple negative breast cancer TNBC, small cell lung carcinoma SCLC, and gastricgastro-esophageal junction GEJ cancer, pancreatic ductal adenocarcinoma PDAC and esophageal squamous cell carcinoma ESCC. 