As Dr. Greene's brain tumor begins affecting his coordination, he becomes concerned that his fate will be similar to the terminally ill patients he treats.
Did You Know?
Mark Greene quits the ER without saying goodbye to anyone in this episode. See more
In 'Orion in the Sky', when Mark is leaving the hospital for the final time, his locker door opens to the left. However, in 'The Letter', when Carter is cleaning out the same locker, the door opens to the right. See more
[as Dr. Greene leaves the ER for the very last time
Nurse Abby Lockhart
Goodnight Dr. Greene
Dr. Mark Greene