NUCLEOLIN and cancer: Nucleolin expression has been studied in different cancers including breast,11 prostate,18 colon,19 lung,20 pancreas,21 stomach,22 and testicular tumors, 23 while nucleophosmin has been studied in a wide variety of solid tumors including cancer of the lung,16 bladder,24, 25 oral cavity,26 colon,27 liver,28, 29 thyroid30 and in renal tumors.31