Trastuzumab Recruiting Phase 1 / 2 Trials for Solid Tumors and Hematologic Malignancy / Cholangiocarcinomas / Malignant Neoplasm of Stomach / MPN (Myeloproliferative Neoplasms) / Transitional Cell Carcinoma / Endometrial Cancers / Multiple Myeloma (MM) / Lung Cancers / Tumors, Solid / UC (Urothelial Cancer) / Lung Cancer Non-Small Cell Cancer (NSCLC) / MPN / Stomach Neoplasms / Malignant Solid Tumours / Neoplasms, Endometrial / NSCLC (Non-small Cell Lung Carcinoma) / Cancer, Breast Treatment