GPT and Decreased total leukocyte count: We analysed gender, age, T stage, N stage, tumour stage, treatment group, haemoglobin reduction, leukopenia, thrombocytopenia, nausea and vomiting, diarrhoea, rash, hearing loss, alanine aminotransferase, aspartate aminotransferase, ECOG score as possible prognostic factors for patients included in this study.