Valued Med Hub Hospitals in Istanbul serves 300+ international patients yearly, including Australians. It offers a range of diagnostics for sigmoid adenocarcinoma, starting with tumour marker blood tests from around A$70 and biochemical blood analyses up to around A$2,400. Advanced imaging like PET/CT is available, typically costing about A$1,050, while colonoscopy may cost around A$2,300. The multi-specialty centre holds Turkish Medical Association accreditation and provides broad oncology care with solid support for overseas patients.