Tumour tissue for SSTR2 IHC was performed on 54 tumour samples and this included tumour samples from 8/12 (66.6%) patients who had [68 Ga]Ga-DOTATATE PET/CT imaging and 47 tumour samples from individuals who did not have [68 Ga]Ga-DOTATATE PET/CT imaging. The gene discussed is SSTR2; the disease is neoplasm.