End Stage Lung Cancer Symptoms In Dogs. Vomiting, diarrhea, lethargy, reclusive behavior, hair loss, increased urination and increased or decreased thirst can appear during the early stages of cancer. If you notice some of these symptoms in your loved one, we recommend contacting their primary care physician and/or hospice care provider immediately:
Signs and symptoms of lung cancer in dogs. Speaking from experience with dogs, if the toe is painful it should be removed. The dog will present symptoms such as chronic coughing and lack of appetite.