[Verse 1]
Eighteen ninety-four, Dr. Halsted drew a map,
Said cancer crawls centrifugal, outward trap by trap,
Cut the breast, cut the muscle, clear the nodes in a row,
Radical mastectomy, the gospel of the old guard, don't you know.
He believed in a staircase, step by step it would spread,
So he carved a wider circle around the fear in his head.
[Chorus]
Sentinel first, the scout of the node,
One little gland holds the map and the code,
Dye it blue, trace it true, let the tracer glow,
Follow the drainage, that's how surgeons know.
Tc-99m, blue dye, ICG green,
Three ways to spotlight the cell unseen.
[Verse 2]
Bernard Fisher came along with a different kind of proof,
NSABP trials put the dogma on the roof,
B-oh-four and B-oh-six, numbers never lie,
Lumpectomy plus radiation, survival just as high,
Halsted's staircase crumbled, turned out to be a myth,
Cancer travels its own way, not some tidy monolith.
[Verse 3]
Ninety-two, Donald Morton, melanoma on his mind,
Traced the lonely sentinel, the first node he could find,
Giuliano followed closer, ninety-four, breast disease,
One gland tells the story, no need to harvest all of these,
Why rip out twenty soldiers when only one stood guard?
Find the sentinel, biopsy it, spare the rest the scar.
[Chorus]
Sentinel first, the scout of the node,
One little gland holds the map and the code,
Dye it blue, trace it true, let the tracer glow,
Follow the drainage, that's how surgeons know.
Tc-99m, blue dye, ICG green,
Three ways to spotlight the cell unseen.
[Verse 4]
Z-zero-eleven proved a gentler plan will do,
One or two nodes positive, radiation sees it through,
Skip the full dissection, spare the swollen arm,
Breast-conserving surgery still keeps the patient out of harm,
MSLT-Two echoed back from melanoma's side,
Completion dissection added scars, not years of life.
[Bridge]
Count your nodes like counting coins before you leave the bank,
Colon surgery needs twelve, line them up and rank,
Stomach cancer calls for D2, sweeping wide and clean,
Stations by the vessels, every efferent route between.
Efferent, meaning outward-flowing, carrying the lymph away,
Know the roads the cancer travels, before it has its say.
[Chorus]
Sentinel first, the scout of the node,
One little gland holds the map and the code,
Dye it blue, trace it true, let the tracer glow,
Follow the drainage, that's how surgeons know.
Tc-99m, blue dye, ICG green,
Three ways to spotlight the cell unseen.
[Outro]
From Halsted's blade to Giuliano's spark,
Less can be more when you're chasing the dark,
Find the first node, let the rest stay in place,
That's the whole story, that's the sentinel's grace.