Canine mammary tumors or mammary neoplasms are among the most common type of lesions found in female dogs. Here's what you should know.

Paraneoplastic syndromes in dogs, sometimes shortened to PNS, refers to a number of issues that can develop in tissues that are situated close by a tumor.

Carcinoid cancer in dogs is a medical condition that involves the growth of neuroendocrine tumors. Here's what you should know.

Hemangiopericytoma in dogs is a medical condition where a malignant tumor forms on cells that surround some of the dog's blood vessels.

Myeloma in dogs is a relatively uncommon bone marrow cancer that occurs when malignant plasma cells accumulate in a dog's bone marrow.

Fibrosarcoma in dogs occurs when malignant tumors, caused by fibroblast cells, are able to develop and grow at an uncontrolled rate.

Bile duct cancer in dogs is a malignant form of cancer that develops in the lining of the liver's bile ducts. It can spread quickly and widely.

November is National Pet Cancer Awareness Month. While the diagnosis of cancer can be very heartbreaking, we wanted to shed light on some happy stories that will hopefully show the sheer strength and will power dogs can have. Here are nine dogs who survived cancer.

November is Pet Cancer Awareness Month, and it's a great time to spread knowledge about pets and cancer, as well as a time to educate ourselves.

Bone cancer in dogs, also known as osteosarcoma, is a condition that results in an abnormal, malignant growth of immature bone cells. It's an extremely deadly and aggressive form of cancer that can easily spread to other parts of the body. Here's what you should know.

Prostate cancer in dogs is a rare but deadly form of cancer that can easily metastasize and spread to other organs and areas of the body, including the lungs, bones, and lymph nodes. Most prostate cancer is known as adenocarcinoma, which is highly aggressive. Here's what you should know.

Brain tumors in dogs are abnormal growths of cells that affect the brain or its surrounding membranes. Symptoms are often severe and debilitating, and they frequently result in death. Here's what you should know about the symptoms, causes, and treatments for brain tumors in dogs.

Liver cancer in dogs is a tumorous growth in the lining of the liver, which is the organ responsible for removing toxins for the body, aiding in digestion, and helping with blood clotting. If you see the signs, get to your vet immediately. The earlier it's caught, the better the chances of recovery.

Leukemia in dogs is a form of cancer that results in an increased white blood cell count in the blood stream and bone marrow. It can be acute or chronic with the acute form being more malignant. Here's what you should know.

Lymphoma is a form of cancer in dogs that affects the lymphocytes, which are white blood cells that are important for immune system function. It's one of the most common malignant tumors in canines and is usually found in the lymph nodes, the spleen, or the bone marrow. Here's what you should know.

A squamous cell carcinoma is a malignant tumor in the epidermal layer of a dog's skin. It can appear on the skin, in the nail beds of the toes, or in the mouth. Here's what you should know.

Basal cell carcinomas and tumors are the most common forms of skin cancer found in dogs. Most basal cell tumors in dogs are benign, though they can become malignant. When caught early, they can be treated without further complications, usually with surgery. Here's what you should know.

Cancer is a disease that hits humans and animals, but here are some telltale signs of the disease in dogs, and what you can do to help prevent its onset.

Vaginal and vulvar tumors are the second most common canine female reproductive tumor after those of the mammary gland.

Drugs that are in trials on dogs with canine cancer show some promise for helping to treat cancer in humans, as well.