My dog has osteosarcoma spread to lungs. How long does she have?

Question

If untreated, and evidence of spreading to the lungs, how long can we expect our dog to live with OSA? How quickly will she deteriorate? Pet's info: Dog | Rottweiler | Female | spayed | 10 years and 1 month old | 65 lbs

Makenzie Kurth, DVM · Accepted Answer

I am so very sorry to hear about Tess. Osteosarcoma is a particularly nasty and aggressive form of cancer. If there is evidence of metastasis to the lungs, I usually estimate 4 weeks or less for a prognosis. Some dogs make it a little longer, some a bit shorter. I’ve had some pass within days of diagnosis. Please note, this time frame is not usually very much extended even with aggressive treatment. The usual signs of deterioration are weight loss, loss of appetite, lethargy, and sometimes cough. The original bony lesion (usually on a leg) can be EXTREMELY painful so pain managment is the bulk of what I do for these patients. I am so sorry for your family and for Tess’s diagnosis. Please reach out to me via the consult link below if you have any further questions or concerns. Best wishes and peace to you and Tess. Dr. Kurth

My dog has osteosarcoma spread to lungs. How long does she have?

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