Lung cancer (LuCa), the leading cause of cancer deaths, are often diagnosed late due to the lack of screening. Low-dose spiral CT can detect small and early stage LuCa lesions, but cannot practically be used as an annual LuCa screening tool. Metabolomics detects global metabolite variations under physiology and pathology. Metabolomic profiles measured from blood may reveal LuCa at early stages as a screening tool to triage suspicious patients to CT tests. Blood sera obtained from LuCa patients prior to their diagnosis were studied with MRS to establish LuCa screening metabolomic profiles to discover LuCa earlier and reduce death rates.
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