Exceptional Treatment and Exceptional Care

David Heller, DVM, MS, DACVIM Board Certified in Oncology
Exceptional Treatment and Exceptional Care
Rise Pet Health is raising the bar in every dimension of Veterinary Oncology: expertise, cutting-edge equipment, collaboration and innovation.
Our oncology team is led by Dr. David Heller, a star in the field of medical oncology with over 20 years of experience in clinical practice.
As a newer specialty and emergency hospital, Rise is equipped with the most advanced technology and a dedicated support team ensuring your pet receives the highest quality care.
The Rise Oncology Difference


Compassionate Care is the ❤️ of What We Do
Providing compassionate care for our cancer patients and their human caregivers is our north star. We provide information in easy-to-understand terms with realistic goals and expectations.
At the Forefront of New Treatments
Our team is constantly evaluating new diagnostics and treatments for our cancer patients. Some of the latest diagnostic innovations that we utilize include chemotherapy sensitivity testing of lymphomas and genetic sequencing of various tumors.
Caring for Your Pet with Cancer is a Team Sport
One huge benefit at Rise is the direct access to our team of specialists. Cancer is a multi-dimensional disease. Working together with our boarded doctors in surgery, internal medicine and neurology allows us to truly attend to the holistic needs of your pet. We also work in collaboration with your primary veterinarian to ensure continuity of care.
Advanced On-site Diagnostics
Rise Pet Health is a newly built specialty and emergency hospital equipped with advanced technology, including MRI, CT, digital fluoroscopy, digital X-ray and ultrasound. Our on-site diagnostics eliminate the need for outside referrals and support accurate diagnosis and prognosis for your pet.
Emergency and Critical Care Support
Should your pet require emergency or critical care, Rise provides prompt, 24/7/365 care in our ICU, overseen by our board-certified Critical Care specialists.

Rise Veterinary Oncology Services in Laguna Hills, CA
Diseases We Treat
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Lymphoma and leukemia
(B and T cell lymphoma, acute and chronic leukemia)
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Mast cell tumors
(Low and high grade mast cell tumors)
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Hemangiosarcoma
(Blood vessel tumors of the spleen, liver, heart, skin and other sites)
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Osteosarcoma and all forms of bone cancer
(Including osteosarcoma, hemangiosarcoma, fibrosarcoma and others)
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Liver and biliary tumors
(Hepatocellular carcinoma, biliary carcinoma, cholangiocarcinoma and others)
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Malignant melanoma
(Including oral melanoma, cutaneous melanoma, nailbed melanoma and other sites)
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Anal sac carcinoma
(Apocrine gland anal sac carcinoma, both primary and metastatic tumors)
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Lung tumors
(Including pulmonary carcinoma, pulmonary histiocytic sarcoma, thymoma, lymphoma and others)
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Squamous cell carcinoma
(Occurring in the skin, mouth and other sites)
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Histiocytic sarcoma
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Soft tissue sarcoma
(Low, intermediate and high-grade soft tissue sarcomas including fibrosarcoma, nerve sheath tumor, myxosarcoma and others)
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Bladder tumors
(Transitional cell carcinoma, urothelial carcinoma, and other bladder tumors)
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Thyroid tumors
(Thyroid gland carcinoma, thyroid gland adenoma, functional and non-functional thyroid gland tumors)
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Intestinal cancer
(Including intestinal carcinoma, intestinal lymphoma, leiomyosarcoma, gastrointestinal stromal tumors and others)
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Oral tumors
(Oral melanoma, oral squamous cell carcinoma, oral fibrosarcoma, acanthomatous epulis and others)
Treatments
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Chemotherapy
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Immunotherapy including the canine melanoma vaccine, Gilvetmab, and Elias Cancer Immunotherapy (ECI)
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Metronomic chemotherapy
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Nutritional support
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Supplements and nutrition
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Molecular targeted therapy with small molecule kinase inhibitors such as Palladia
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Palliative care
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Pain management
Advanced Testing & Diagnostics
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Oncology consultations and owner education
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Diagnostic imaging for cancer staging with in-house access to Digital X-rays, Ultrasound, CT scan, MRI and Fluoroscopy
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Cytology and biopsy procedures of internal and external tumors
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Bone marrow sampling
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Genetic sequencing of tumor DNA
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PCR and flow cytometry testing for classification of lymphomas and leukemias