Cornell University Veterinary Specialists 24 Hour Emergency and Critical Care


With recent advances in veterinary oncology for cats and dogs, pets and their human families have more options and hope than ever before when it comes to treating cancer.  Our clients find the optimal combination of expertise, education, support and compassionate care that they would choose for themselves if faced with a potentially life-threatening illness.

Education & Information. We understand that a diagnosis of cancer can be very difficult for the family to come to terms with.  In addition, the growing volume of information on the internet and the number of possible treatment options can be overwhelming. At CUVS, we do our best to navigate this for you – to make sure you have all of the information and support you need to make a well-informed decision that is ultimately best for your pet and your entire family. We will educate you regarding the specific cancer your pet has, and what treatment options are available. We set aside a significant amount of time for discussion and questions, and encourage you to voice any questions or concerns to our medical team. Once you have returned home and have had a chance to absorb the information discussed, new questions may arise, and you are always welcome to contact us whenever needed.

Support. We offer concierge-like service. Our oncologist can be reached 7 days a week with questions or concerns, and our Emergency-Critical Care Department is here around the clock to manage emergencies and to field questions.

Medical Expertise. Together with the expertise of our oncologist, we collaborate with other specialists at CUVS, faculty at Cornell’s College of Veterinary Medicine and Weill Cornell’s Oncology Department, enabling us to utilize advanced medicine and offer the most up-to-date diagnostics and treatments available to veterinary patients with cancer.

Quality of Life. Your pet's quality of life is the most important factor in choosing the best course of treatment. Considering all treatment options, prognosis and comfort level, we will work with you to find a plan that best serves your pet.

Optimal Care and Outcomes. We believe that the best outcomes occur with a multifaceted approach which is best accomplished when the patient is cared for at a multi-specialty center. Cancer is a complex disease that is often systemic, and can affect multiple body systems.  In addition, cancer tends to develop in older patients that may have concurrent unrelated medical problems.  Optimal care, therefore, must address not only the cancer, but the whole patient. Our Oncology Service works seamlessly with other specialists at CUVS to optimize the early and accurate diagnosis and staging of cancer, and to coordinate cancer treatment, as appropriate, with surgery, critical care, nutritional support, pain management or alternative adjunctive therapy.

Collaboration. We consider the medical team to be the Oncology service at CUVS, your primary care veterinarian, you and your family, and any other specialist that can contribute to your pet’s overall wellbeing. And we communicate closely with all of these individuals.  In addition, your primary care veterinarian has electronic access to your pet’s medical records, lab tests and imaging studies.

Services Include

We utilize many modalities to diagnose and treat cancer, alone or in combination, depending on your pet's situation and your goals. These include:

  • Diagnostic Imaging (ultrasound, CT scan, endoscopy, fluoroscopy).
  • Minimally-invasive aspirates and biopsies.
  • Chemotherapy. Chemotherapy uses drugs to kill cancer cells. Most of our patients tolerate chemotherapy well with few, if any, side effects. Depending on the tumor type and the chosen course of treatment, chemotherapy can be injected into a vein, a tumor or a body cavity; it can also be given by mouth in some cases. Treatment frequency and protocols varies from daily to monthly, depending on the type of cancer and intent of therapy.
  • Immunotherapy. Depending on the cancer diagnosed, immunotherapy may be employed as part of treatment. These therapies are generally very well tolerated with minimal to no side effects. 
  • Surgical oncology. Surgery to remove a cancerous tumor is often the first line of cancer treatment. Our Oncology Service works with our board-certified veterinary surgeons with oncologic surgery expertise to design treatment plans for our patients. [Surgery]
  • Pain management. Comprehensive pain management is essential for a good quality of life for cancer patients. We will tailor a multimodal approach to pain management of the individual patient. This may include drugs, physical therapy and/or acupuncture.
  • Nutritional support by a board-certified nutritionist. [Nutrition]
  • Acupuncture and Chinese herbology. [Acupuncture]
  • Palliative Care. Above all, our main goal in treating your pet is to maintain a good quality of life for as long as possible. In patients for whom treatment is not working, or if you elect to pursue palliative treatment alone, there are a variety of options available to help keep your pet comfortable. This includes pain medication, appetite stimulants, antinausea/antidiarrheal medications, and acupuncture.


Conditions We See

Our Oncology Service treats a wide range of cancers, both common and rare, including:

  • Apocrine gland adenocarcinoma
  • Fibrosarcoma
  • Gastrointestinal and pancreatic cancer (carcinomas, gastrointestinal stromal tumors, intestinal sarcomas, and others)
  • Hemangiopericytoma
  • Hemangiosarcoma
  • Histiocytic sarcoma
  • Injection-site sarcomas
  • Lymphosarcoma or Lymphoma
  • Leukemia
  • Osteosarcoma and other primary bone tumors
  • Lung tumors
  • Mammary tumors
  • Mast cell tumors
  • Melanoma
  • Multiple myeloma
  • Plasmacytoma
  • Soft tissue sarcoma
  • Squamous cell carcinoma
  • Thymoma
  • Thyroid carcinoma
  • Transitional cell carcinoma


Our Specialist

Lindsay Thalheim, VMD, DACVIM (Oncology)


“My goal is to try to improve the length and quality of life of each of my patients. The relationships that I develop with my patients and clients allow me to provide the best possible care for both the patient and their family, and work to renew hope in the face of what can often appear to be a difficult or hopeless diagnosis. I love these relationships. For me, this is being an oncologist.”




We treat pets that are referred to us by their primary care veterinarians.
To make a referral or to schedule a consultation with our oncologist, please call
Cornell University Veterinary Specialists at 203.595.2777.


Cornell University Veterinary Specialists
880 Canal Street
Stamford, CT 06902
Phone 203.595.2777   Fax 203.595.2778


Map and directions

Emergency Hours

24 Hours a day, 7 days a week

Emergency & Critical Care Information

Specialty Hours

Monday - Friday

9am to 6pm

Weekend hours available by special appointment