i just had a decompression tube placed in my mandible 7 days ago. im supposed to flush it twice daily and the tumor fluids will come back out of the tube and i spit it out. ive been flushing it frequently and haven't noticed any blood or brown fluid like my surgeon said, only the water. ive used every syringe they've given me from every angle and still nothing. there was a clot of blood when i did it the morning after my surgery, but that could've just been from my oral injuries. my surgeon also said i'd be able to feel it, but i feel nothing minus some slight pain. i really feel like im doing it wrong. this is my only line of treatment on this tumor for the next 6-9 months and i need to inhibit the growth before it fractures. does anyone have any experience with decompression tubes?