It's a seroma!
WOOHOOO.... It is crazy the stuff that makes us happy these days My only advice is the MINUTE he is done draining, put your binder on, and leave it on. The best way to prevent it from returning is keeping it binded!! Good luck. I go in today for my post-op checkup for the breast reduction. I am wondering myslef what she will say about the water I am so proudly swooshing about The bummer thing for me, it is in a place that can't be bound.....we will see!!! Take Care Jesi