Since in Real Life organ donation is still an opt-in process (you have to sign up to become an eligible donor) in most countries, lots more people need transplants than there are organs. Rule of Drama means that this pops up quite a bit in medical and crime shows. Often a Knight Templar Parent will do whatever it takes to get the Littlest Cancer Patient the organ he needs, especially if the person ahead of him is a Rich Bitch who ruined her body by hard living. Less often the Rich Bitch learns An Aesop about how precious life is and to open her heart to others (especially if said heart was what got transplanted). Even more rare are incidents in which the organ doesn't take (unless the series is a medical drama); in horror movies, however, the biggest side effect is an increased risk of Gra