GPT and neoplasm: The examinations include DRE, complete blood count, blood biochemical examination (aspartate aminotransferase, alanine aminotransferase, creatinine, blood urea nitrogen), thyroid hormone, adrenal hormone, myocardial enzymogram, serum tumour markers (CEA, CA199, AFP, CA724, CA242, CA50, etc.), and imaging examinations (pelvic MRI, abdominal CT and chest CT).