Topic: do surgical margins need to be clear?

Forum: Surgery - Before, During, and After — Surgical options and helpful tips for recovery and side effects.

Posted on: Feb 27, 2013 09:46AM

Posted on: Feb 27, 2013 09:46AM

sockarmom wrote:

Had lumpectomy, lymph nodes neg but surgeon called and said one edge of tumor didn't have clear margin so she wants me to go back in for re excision. I'm just now starting to feel good and my husband doesn't want me to go back in. Will radiation kill the cells if there are any or is it necessary to go back in for clear margins?

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Feb 27, 2013 10:11AM cheryl1946 wrote:

From what I know as a nurse, you do need clear margins. You may need radiation even after clear margins.

As a stage IV at the start person, I did not have surgery, radiation, or chemo.

DX 7/6/11 with stage IV at the start;mets to several bones No surgery,rads,or chemo letrozole failed after 17 mos. 2 other hormonals failed; now on to xeloda Dx 7/6/2011, IDC, 6cm+, Stage IV, Grade 2, mets, ER+/PR+, HER2-
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Feb 27, 2013 01:38PM itsjustme10 wrote:

If radiation were that effective when used in the manner you're suggesting, why wouldn't they have done it to begin with, instead of any surgery at all?

I don't know the answer that that question, I'm just asking it... hope someone does have the answer, because it seems like it would be important to know before you make a decision. :)

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Feb 27, 2013 01:50PM fd1 wrote:

I was in a similar situation as you.  I had a lumpectomy with positive margins and then a re-excision which had one spot 0.5mm (that is tiny) and that spot happened to be right on the margin.  My surgeon told me that they had an elderly woman with the same situation and the radiation department decided to let her proceed through.  Even if the radiation didn't kill it, it would likely take 5-10 years to develop into anything which would be longer than her life expectancy.  However, with few exceptions such as this, I have heard that you cannot have radiation if you have a positive margin.

Just to reassure you, I had two re-excisions in the end and they were very easy surgeries to recover from.  They only put you under a light anaesthetic and it is over in 20 minutes.  The sentinel node biospy is the part that is much more difficult, which you have already done!

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Feb 27, 2013 09:54PM wrote:

sockarmom, why is your husband suggesting that you not go back for the re-excision surgery?  Is your husband a breast cancer surgeon?  Wink  

Here's what it means when you don't have clear margins. The breast tissue that was removed from your breast was analysed under a microscope. In one area, the pathologist found cancer cells right at the edge of the tissue.  Logically, it's reasonable to assume that if there are cancer cells right at the edge of the tissue that was removed, there will also be cancer cells in the breast tissue on the other side of that edge, i.e. the side that's still in the breast. What nobody knows however is how many cancer cells are left on the other side of the cut line, or how large the remaining area of cancer might be. 

If the cut made into the breast tissue was right where the area of cancer ended, there might only be a few cancer cells left in the breast beyond that cut line, and in that case, radiation might be effective.  But what if the cancer continues in the breast beyond that edge for another 5mm, or a 1cm, or even more than that? Screening is not precise, so while the surgeon would have estimated the size of the area of cancer based on the imaging from the mammogram (and ultrasound and MRI, whichever you had), it's possible that the area of cancer was larger than what showed on the images. So without further surgery, there is no way to know how much cancer is still in the breast. The only thing you know from the 'dirty margin' is that in all likelihood there is still some cancer left in the breast.  

That's why a re-excision surgery is necessary when the margins aren't clean. 

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Feb 28, 2013 07:14AM - edited Mar 7, 2013 09:12AM by lolalee

If all the cancer cells are not removed and sent to pathology you will not know the extent or type of cancer you have.  It could be that the area beyond the dirty margin could be a micro-invasion in which case your treatment plan becomes a whole lot different and radiotherapy may not be the only treatment.

Beesie is absolutely correct and makes a very valid point.  I would not mess with this  very unpredictable disease. 

Dx February 12 Lumpectomy March 12 DCIS Stage 0 Grade 3 HR-/PR-
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Feb 28, 2013 05:20PM wrote:

Since sockarmom had an SNB done with her lumpectomy, I've assumed that her diagnosis probably is invasive cancer, not DCIS. I might be wrong about that, but usually an SNB isn't done with a lumpectomy for DCIS. The presence of a microinvasion on the other side of that dirty margin would only be relevant if the diagnosis up to this point is DCIS and not invasive cancer, but even at that, a microinvasion alone probably wouldn't change much about the treatment plan vs. pure DCIS. I had a microinvasion and it made no difference to my treatment, except for the requirement that I have the SNB (which sockarmom has already had).

sockarmom, have you made a decision about the re-excision?  And to the point that Lolalee raises, what is the pathology of your cancer and the pathology of what was found in the margin? 

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Mar 6, 2013 10:10AM jj52 wrote:

In early 2011 I had my first lumpectomy after a diagnosis of DCIS. The margins were not clear so I had it reexcised. The first pathologist said it was ok , but I went to another hospital for radiation and they asked to have their own lab look at the slides. The RO then told me that the margins were "not as clear as they would have liked", so they added on an extra week of radiation.

As it happens, 2 years later I had a recurrence in the same spot and have just had a mastectomy of that breast. I may be completely wrong on this, but I feel that maybe I should have had a 3rd lumpectomy back then and maybe they would have gotten it all, or I wish the surgeon had taken more tissue on his 2nd try.

All that to say, clear margins are important and if I were you I would not hesitate to have the 2nd surgery and tell the surgeon to make sure to take enough out to give you really clear margins this time!

Surgery 1/7/2011 Lumpectomy: Left Surgery 3/1/2013 Mastectomy: Left; Reconstruction (left): Tissue expander placement
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Mar 6, 2013 10:34AM weety wrote:

You need to have the clear margins.  Radiation is sometimes used even when the margins are clear, but close.  Mine were 1mm and 3mm from chest wall and skin, so even though they were technically "clear,"  I still had to do radiation.  I had mastectomy and just didn't have anything left for reexcision, so that's why they couldn't just go back in. 

Dx 7/17/2009, IDC, <1cm, Stage IB, Grade 3, 0/1 nodes, ER+/PR-, HER2+ Surgery 4/19/2010 Prophylactic ovary removal Surgery 4/10/2013 Prophylactic mastectomy: Right Hormonal Therapy Femara (letrozole) Targeted Therapy Herceptin (trastuzumab) Radiation Therapy Chemotherapy Carboplatin (Paraplatin), Taxotere (docetaxel) Surgery Mastectomy: Left
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Mar 6, 2013 12:32PM wrote:

jj52 & weety, it appears that sockarmom hasn't been on the site since she wrote her post.  

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Mar 6, 2013 12:36PM SelenaWolf wrote:

Clear margins are essential.

"... good girls never made history ..."

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