5-Fluorouracil (5-FU) Song: Verse 1: 5-FU (five-eff-yoo), py-ri-mi-dine im-pos-ter Thy-mi-dy-late (thy-MIH-duh-layt) syn-thase (SIN-thays) block-er Stop-ping DNA syn-the-sis, RNA too Can-cer cells con-fused by 5-FU Chorus: 5-FU, flu-o-ro-u-ra-cil star Fool-ing can-cer cells near and far Thy-mi-dy-late syn-thase, it will halt 5-FU, worth its weight in salt Verse 2: Mis-in-cor-po-ra-tion in-to RNA and DNA Dis-rupt-ing nor-mal func-tion, every which way In-hi-bit-ing thy-mi-dine for-ma-tion Lead-ing to thy-mi-less cell ter-mi-na-tion (Repeat Chorus) Bridge: Co-lo-rec-tal can-cer, its main claim to fame But breast and head and neck, al-so feel its aim Topped with leu-co-vor-in, more ef-fec-tive still 5-FU, giv-ing can-cer cells a chill (Repeat Chorus)


