This is a quote from a link (below) that may describe your situation and question.
"Vascular or lymphatic system invasion happens when breast cancer cells break into the blood vessels or lymph channels. This increases the risk of the cancer traveling outside the breast or coming back in the future. Doctors can recommend treatments to help reduce this risk.
Your pathology report will say “present” if there is evidence of vascular or lymphatic system invasion. If there is no invasion, your report will say “absent.” Lymphatic invasion is different from lymph node involvement. The lymph channels and lymph nodes are part of the same system, but they are looked at and reported separately."
My treatment has to date involved nine hospitals and more than 35 specialists involved in my care. And its not over yet.
I have for the past 2.5 years obtained and reviewed all of my medical reports.
There is usually so much information the "and /or's / however's", referencing previous results, or requiring further investigation that I always confirm my questions with the specialist that requested the test to be done. I have come to understand so much in this time, and I think that everyone would benefit from understanding what is included in our reports. It saves us a lot of unnecessary stress, and clarifies where we are in our treatment and or recovery process. And it could save your life.
In one of my CT scans, the radiologist referenced the wrong comparison date in their report. This resulted in giving the impression that the tumor had grown during treatment. In fact the tumor had shrunk. I don't want to think of what could have happened if this error was not found. It could have changed the course of my treatments with disastrous results.That was a pretty upsetting oops, and I was happy to have found this myself, reported the error and had the report corrected.
If we as patients impress upon our specialist that we are interested in and want to understand our situation, most are more than willing to take that time to share with us.
At times, I have had to share information (I bring the written copies of reports / CD.s of scans etc... to consults) with a new specialist because I want to ensure they have seen the documentation / tests themselves. This has not always been the case, and I want to ensure I get everything possible out of my 35 second consult. Time is not on our side with cancer, so I do what I can to make things happen for me in a timely manner.
I am not a doctor, but I am intimately aware and invested in my case. I understand how to look up information from reputable web sites and obtain correct and up to date information for both myself and others. I also refer any new test or result to the previous one, to look for and find those positive and negative results. Even doctors miss or misinterpret information contained in our reports. Been there seen that myself. Never assume anything - ask questions upfront, then we are all on the same page.
I commend you for seeking to understand what your report is saying, and I will always suggest follow up to determine the course of action required in anyone's case.