PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12804041-1 2003 Chemoimmunotherapy (CIT) with interleukin-2, interferon-alpha2a, and 5-fluorouracil is an accepted treatment option of metastatic renal cell carcinoma (mRCC). cit 20-23 interferon alpha 2 Homo sapiens 45-63