Unwitting donor / Cadaver exchange - General Surgery

From ashes to ashes

From corpse to cadaver

For the dearly departed

Ignorance is bliss

Interchangeable cadaveric rests

Necrotic

Appendages replaced

Forced mass necrosis

Sudden expiration by chance

Incidental extinguishment

Referred to by ingrates as murder

Interchangeable cadaveric rests

Necrotic

Appendages replaced

Bequeathing one stiff with the waste of another

Pustular flotsam passed on with much glee

Broken down giblets dispossessed

Harmonic allocation of purulent viscous