Subchorionic Separation

I just received test results from a 7week 2day ultra sound. The ultra sound was scheduled because of some brown blood/discharge I was having for about a week. The blood or "old blood" is nearly gone now. The US (luckily) showed a baby with a healthy 147 heartbeat. US Results indicate I have a Subchorionic Separation (11mm) to the right of the sac. At 7+2 the sac itself is only 11.2mm. I messaged the office back to find out more but I'm interested in knowing what other Moms have experienced with this type of result? Of course I googled it, I can only find subchorionic hemorrhage -not a separation, so I'm not sure if my doc's office uses different terminology or if this is actually different from a hemorrhage.