"well in your country," said alice, still panting a little. "you'd generally get to somewhere else- if you ran very fast for a long time, as we've been doing."
"a slow sort of country!" said the queen. "now, here. you see, it takes all the running you can do, to keep in the same place. if you want to get somewhere else, you must run at least twice as fast as that!" (red queen syndrome)
this is our predicament with cancer: we are forced to keep running merely to keep still.