tokens: BACKGROUND : The aim of this study was to determine the response rates and toxicity of two regimens containing granulocyte-macrophage-colony stimulating factor ( GM-CSF ) in combination with interleukin-2 ( IL-2 ) in the treatment of patients with metastatic renal cell carcinoma .
folded_tokens: background : the aim of this study be to determine the response rate and toxicity of two regimen contain granulocyte-macrophage-colony stimulating factor ( gm-csf ) in combination with interleukin-2 ( il-2 ) in the treatment of patient with metastatic renal cell carcinoma .