GDC Terminology CTDC Value Terminology GDC Value Terminology Tumor Tissue Sample TUMOR TISSUE Tissue sample that contains an abnormal cellular infiltrate forming a solid mass. The abnormal cellular component can be benign or malignant. Tumor samples are obtained for microscopic examination and/or molecular analysis. mCode Tumor Sample Tumor Tissue Sample C18009 CTDC C0475358 Involved Tissue, NOS CDISC Tumor Tissue GDC Tumor Tissue Sample Tumor A tumor sample, or entire tumor that is removed for examination. Tumor Tissue Tumor_Tissue mCode Terminology mCode Genomic Specimen Type Value Set Tissue Sample Clinical Data Interchange Standards Consortium Terminology CDISC SDTM Terminology CDISC SDTM Specimen Type Terminology Laboratory Specimen Type