Anyone with invasive lobular cancer stage 4 that has metastasized?

Posted by michaele74 @michaele74, May 7, 2023

I had invasive lobular cancer in March 2009. Had a lumpectomy and took aromasin for 5 years. I was told I was clear. It came back and was detected and finally diagonosed in 7/2022. It is stage 4 and crossed from 5"oclock right breast to left lymph nodes. I took Ibrance and anastrozole until 2/6/23. Had double mastectomy and 23/31 left lymph nodes were positive for cancer. New FES PET scan indicated activity in my bones. Has any doctor or patient experienced anything like this?

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@michaele74

How are you doing? Is your cancer lobular? Has it spread to other organs? What do they sit for you?

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It is lobular, currently bone mets only. I'm not sure what you mean by the last question.

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@jmh22

ESR1 is a mutation selected by use of aromatase inhibitors so its good that you don't have that. BC cells with e-cadherin mutation (majority of lobular) may respond to ROS1 inhibitors like crizotinib (currently approved for NSC lung cancer and being studied for lobular carcinoma). They are or will soon be finished with recruitment for the study in the UK and hopefully data will be reported soon. Study of a different ROS1 inhibitor will be starting in the US soon. Just looking forward to agents targeting lobular carcinoma.

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I’m so sorry you are going through this! I was diagnosed with stage 4 metastatic lobular carcinoma a year ago and had a bi-lateral mastectomy last November. Finished chemo last month and headed to radiation in 2 weeks. This is an insidious disease because it usually not detected until it’s stage 3 or 4. It’s been a very rough road though while the physical part is destructive to the body, the mental and emotional “side effects” can be just as devastating. It can be difficult to do, that’s for sure, find your center and try to remain grounded in that. Best to you!

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@mjwhearts22

I’m so sorry you are going through this! I was diagnosed with stage 4 metastatic lobular carcinoma a year ago and had a bi-lateral mastectomy last November. Finished chemo last month and headed to radiation in 2 weeks. This is an insidious disease because it usually not detected until it’s stage 3 or 4. It’s been a very rough road though while the physical part is destructive to the body, the mental and emotional “side effects” can be just as devastating. It can be difficult to do, that’s for sure, find your center and try to remain grounded in that. Best to you!

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Thank you for sharing. Can I ask where you got mastectomy? That's been my biggest battle. I'm hoping U Penn but if they won't I will continue the battle.

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Actually, I live in Portland, Oregon.

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@mjwhearts22

I’m so sorry you are going through this! I was diagnosed with stage 4 metastatic lobular carcinoma a year ago and had a bi-lateral mastectomy last November. Finished chemo last month and headed to radiation in 2 weeks. This is an insidious disease because it usually not detected until it’s stage 3 or 4. It’s been a very rough road though while the physical part is destructive to the body, the mental and emotional “side effects” can be just as devastating. It can be difficult to do, that’s for sure, find your center and try to remain grounded in that. Best to you!

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Thank you for sharing your experience. May I ask what your subtype is? ER/PR and HER2 status? Is it oligometastatic?
How are your follow ups?

Thank you!

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@eku

Thank you for sharing your experience. May I ask what your subtype is? ER/PR and HER2 status? Is it oligometastatic?
How are your follow ups?

Thank you!

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Couldn't find definition of oligometastatic.

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@timely

Couldn't find definition of oligometastatic.

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From National Cancer Institute:
"A type of metastasis in which cancer cells from the original (primary) tumor travel through the body and form a small number of new tumors (metastatic tumors) in one or two other parts of the body."

Basically if one has 1-2 metastatic sites, then it's called oligometastatic disease. Think of it as a subtype of Metastatic Disease.

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@eku

Thank you for sharing your experience. May I ask what your subtype is? ER/PR and HER2 status? Is it oligometastatic?
How are your follow ups?

Thank you!

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I am Estrogen + and HER2- Got a call today. The MRI’s are showing thousands of pen point size tumors throughout my bones. Bad news. On 5/19 my Oncologist will start Fulvestrant and discuss other drug options. Radiation will be delayed. It is not microscopic which means it is not slow growing but aggressive!

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@michaele74

I had invasive lobular carcinoma inMarch 2009 at 5 o’clock on right breast. No lymph node involvement. Had lumpectomy and 6 weeks radiation. Took aromasin for 5 years. Cancer came back and first noticed something January of 2022. It was June 2022 diagnosed as Stage 4 invasive lobular carcinoma of right breast metastasized to the left lymph nodes. (Right lymph nodes seemed blocked from previous radiation) Took Ibrance and anastrazole until February 2023. 6/2022 bone scan was neg. 11/2022 FDG PET/CT was neg except for right breast. Had bilateral mastectomy 2/28/2023. Removed 31 lymph nodes/23 positive for carcinoma. FES PET/CT scan April 26 indicated multiple sclerotic bone lesions significantly greater than baseline of 1.5 ? FDG PET/CT shows lesions. (5/8/23) Bone scan 5/12 2023. MRI of brain on 5/11. MRI of pelvis scheduled 5/14, MRI of cervical and lumbar spine scheduled 5/16. Need 6 weeks radiation and probably Kisqali and Fulvestrant as treatments. I am in Spokane. Where are you being treated? Did you find the sclerotic bone lesions before the lobular breast cancer?

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The sclerotic bone lesions were found first, and that led to a search for the primary. First bone biopsy neg, second positive. I have a lot of sclerotic lesions. I have also had many injuries in my life resulting in broken bones in pelvis, ribs, both arms. In addition, lesions were found in 2020 on MRI but they felt that they look different now and I did have a positive biopsy. But this is going on 6 months. No pain or other symptoms. With bone only mets, and lobular carcinoma that responds poorly to chemo (particularly with low score), I am looking to have mastectomy, nodes and radiation. My MammaPrint index is 0.127 and that is the primary, but the bone biopsy that was positive was also ER+. Thoughts are changing in terms of removing the primary but there is more data in support every day. I want to be around long enough to benefit from newer agents that are being studied for lobular carcinoma.

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I was recently diagnosed with metastatic lobular carcinoma just had a second surgery. They removed 14 lymph nodes. It looks like 14 were affected and I’m just scared and wondering what others have gone through and I just need some hope.

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