You, an astrobiologist, fly up from NASA headquarters in Washington, D.C., to visit me, a sophomore in college, at Yale-New Haven Hospital. I’ve just had a new type of chest catheter inserted: a “port-a-cath,” a subcutaneous device to replace my Hickman catheter. It promises a reduced chance of infection. But you didn’t need to come all this way, for such a minor surgery.
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