
that is what was inside my chest as "my third nipple" they accessed it though the spot in the middle which is a resealing rubber type thing.
you can see how it was inside with part of one of my X-Rays:

The part with the triangle is the reservoir and the catheter part when up into my jugular vein then snaked down inside directly into my right(?) atrium... so my drugs were delivered quite swiftly to my entire body...