Discovering a lump on your dog can be alarming. As a pet parent, your mind immediately races with questions: Is it serious? Could it be cancer? Is my dog in pain? Understanding the nature of cancerous lumps in dogs, their characteristics, and whether they cause discomfort is crucial for taking the right next steps in your pet’s health journey.

As a pet parent, few things are as concerning as finding a lump on your dog. It’s natural for your mind to race with questions: Is the lump on my dog cancer? Could it be something harmless, or should I take immediate action? While not every lump on a dog is cancerous, it’s essential to know the warning signs, possible causes, and treatment options for dog cancer lumps.

Mast cell tumors are among the most common skin cancers in dogs, especially in breeds like Boxers, Bulldogs, and Labrador Retrievers. This comprehensive guide explains what mast cell tumors are, their causes, risk factors, symptoms, diagnosis, and treatment options. Learn how to recognize warning signs such as skin lumps, redness, ulcerated masses, and systemic symptoms that may indicate histamine release. Early detection is critical for improving outcomes, and proactive cancer screening can make a lifesaving difference. Discover how Oncotect, a non-invasive urine-based wellness screen for cancer, helps pet parents detect mast cell tumors and other cancers early — often before visible symptoms appear. With simple at-home urine collection, Oncotect provides peace of mind and enables timely veterinary care. Whether your dog is a senior or a high-risk breed, staying ahead with early screening ensures more options, better outcomes, and a higher quality of life.

Splenic tumors in dogs, including hemangiosarcoma, can be life-threatening and often go unnoticed until advanced. This guide explains symptoms, diagnosis, and treatment, highlighting how Oncotect’s non-invasive urine-based cancer screening can detect cancer risk early, enabling timely intervention, better outcomes, and proactive care—especially for high-risk breeds and senior dogs.

Cancer affects 1 in 3 dogs, but early detection can greatly improve treatment outcomes and quality of life. This guide covers the subtle early signs of canine cancer, from lumps and weight loss to changes in bathroom habits, and explains why proactive screening is essential. Oncotect offers the world’s first at-home, non-invasive urine test for dogs, detecting cancer-related metabolites before symptoms appear. Easy to use and highly accurate, Oncotect empowers pet parents to monitor their dog’s health regularly. Combining vigilant observation with Oncotect testing gives your dog the best chance for early intervention, better prognosis, and a longer, healthier life.