Medical emergency in space

[Legend]

This is the first time this has happened in the history of space. The astronaut is returning home early.

[kitler53]

This is the first time this has happened in the history of space. The astronaut is returning home early.

what's the emergency?  

i'm assuming it takes days to weeks to months to get an "emergency" ride off of a space station. any true medical emergency would need to be handled in space or they'd just be dead.