c("tissue: primary tumour", "disease state: Untreated")
c("tissue: primary tumour", "disease state: Untreated")
c("tissue: primary tumour", "disease state: Untreated")
c("tissue: nodal tumour", "disease state: Untreated")
c("tissue: nodal tumour", "disease state: Untreated")
c("tissue: metastasis tumour", "disease state: Post-treatment metastasis")
c("tissue: metastasis tumour", "disease state: Post-treatment metastasis")
c("tissue: metastasis tumour", "disease state: Post-treatment metastasis")