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What Causes Hemangiosarcoma? 
 
Hemangiosarcoma (HSA) is one of the most aggressive and heartbreaking cancers in dogs, often appearing without warning and spreading rapidly.
 
While it can affect many different breeds, golden retrievers are particularly susceptible to HSA.  A recent study revealed that nearly half of the cancer deaths were from hemangiosarcoma. 
 
While new treatments such as the EGFR/HER2 vaccine are helping extend survival times, an important question remains:

Why are so many dogs developing this disease?

In our next webinar, Dr. Catherine Wise, a research scientist at Duke University, will discuss emerging evidence linking chemical exposure to increased cancer risk in dogs.
 
The new CCA-sponsored study, led by Dr Wise and Prof Heather Stapleton, is the first focused investigation specifically designed to measure the link between hemangiosarcoma and environmental chemical exposures from flame retardants and lawn chemicals to household plastics and air pollution.
 
Sign up to join the live webinar and receive the recording.

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The 2026 Love Calendar 
The 2026 Love Calendar is open for entries!
Help us fill each day with love🧡🐾 (and bring hope to dogs with cancer!)
100% of donations support research and clinical trials for canine cancer cures.  We need safe, effective, and widely accessible (affordable) treatment for all dogs with cancer.
💛 For example, $25 a month donation for a year helps one pup patient receive immunotherapy in a clinical trial.  New immunotherapy treatments are showing remarkable promise - and every gift helps bring them to more pup patients. 

 
Together, we’re turning heartbreak into progress.
Every study, every donation moves us closer to ending dog cancer as we know it.
Join
Mari
 
Mari Maeda PhD
Canine Cancer Alliance
P.S.
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Bellevue, WA 98009, USA