Hello, 

My 4-year-old Golden Retriever had her left rear leg amputated in June 2023 and it was found to be Chondrosarcoma-Grade 2. This was surprising because many aspirations, cut-down biopsies, and an ONCOk9 blood test were negative (march-June 2023). The initial diagnosis was a torn CCL and it wasn't until a scan before surgery that the abnormal growth was found. 

After she recovered from amputation she received six rounds of carboplatin. She did well -- at times she was nauseous; but this was the biggest side effect. It was determined at a scan after her fifth round of carbo that her lungs, etc. were clear of any metastasis. On November 11, 2023 she was declared in remission. 

Our first "regular" check-up to look for metastasis was on January 2nd, 2024. There was a nodule seen on her Left 9th rib. Aspiration turned up with abnormal spindle cells but not confirmed cancer. We are thinking most likely Chondro again because this is how it presented initially with her leg. A CT scan showed us this is the only nodule on her body. We were told this is called oligometastasis. We were told our best path forward (and the one we chose) was to start 5 rounds of Doxorubicin to try and keep the metastasis from continuing