JCS Medical Oncology

Together at every step of the journey.

Oncology is the field of medicine dedicated to the diagnosis, staging, treatment, rehabilitation and follow-up of various types of cancer.

Joaquim Chaves Saúde is the largest private radiotherapy provider in the country. Our Oncology service, has a multidisciplinary team of qualified and experienced professionals who follow an individualized approach, according to the specific needs of each patient. Our teams work closely with several other medical and surgical specialties, in a 360◦ approach to devise the most effective therapeutic intervention strategy. Each clinical case is evaluated using a multidisciplinary approach, to deliver the most suitable therapeutic strategy.

We are well aware of the impact caused by a cancer diagnosis, and that is why we accompany our patients at each stage of recovery.

Cancer Patient Manager

If you need help, count on one of our Managers to support you at every stage of your journey.

+20 y
In Oncology

Extensive experience in oncological approaches and treatments.

Treated patients

Personalised care for each patient with the best response to each oncological pathology.

Radioncology Clinics

From the most advanced treatments to attentive monitoring by the most qualified teams.

Breast Cancer Center

Lady touching her breasts

Rigorous, precise and effective multidisciplinary monitoring in the fight against breast cancer, which brings together consultations, exams and state-of-the-art treatments.

Cancers biggest weakness: early detection.

In the first consultations and exams, we act in the detection of potential cancers. Prevention is the first step.

Oncology Patient Support Guide

Download the cancer patient guide for more information, from risk factors, symptoms, to treatment options.\n

At the forefront of oncological treatment

Truebeam technology

Our medical offer for cancer treatment covers a variety of specialized areas, including Medical Oncology, Radio-oncology and Surgical Oncology. Together, these three areas provide a complete approach to fight the disease.

Support Specialties

To make you feel better, physically and emotionally, we offer several specialties that complement the treatment.

  • Oncological Psychology

  • Oncology Diet and Nutrition

  • Oncological Physiotherapy

  • Cardioncology

Support Specialties

Find out about the consultations that we offer within the scope of support specialties and, if desired, make an appointment.

Looking for a second opinion?

If you need reassurance about your diagnosis and treatment plan, book an Oncology appointment with us.

Clinical Team

We have a team of doctors and health professionals, specialists in various areas, available to give you the support you need.

Guy Vieira
Guy Vieira
Key areas of expertise
Specialist in Radioncology with extensive experience in external radiotherapy in Neuro-Oncology (CNS), Head and Neck (ENT), Senology (Breast), Lung, Digestive, Genito-Urinary (male and female), Skin and Sarcomas and Soft Tissues. , High- and low-rate brachytherapy, especially low-rate prostate brachytherapy and radiotherapy (permanent implantation of radioactive seeds)., Intra-operative radiotherapy of the breast (IORT).
Healthcare Units
Clínica de Radioncologia do Algarve, Clínica de Radioncologia da Madeira
Francisco Paralta Branco
Francisco Paralta Branco
Key areas of expertise
Breast cancer , Prostate cancer , Kidney cancer , Bladder cancer , Testicular cancer , Melanoma
Healthcare Units
Clínica Cirúrgica de Carcavelos, Clínica de Miraflores, Centro Oncológico Drª Natália Chaves
Sara Carvalhal
Sara Carvalhal
General Surgery
Key areas of expertise
Breast Oncology Surgery/Breast Cancer, Senolog, Skin Oncology Surgery/Melanoma and other Skin Cancers, Oncologic Surgery of the soft parts/Sarcoma
Healthcare Units
Clínica Cirúrgica de Carcavelos, Clínica de Miraflores
Marisa Lobão
Marisa Lobão
Healthcare Units
Clínica de Radioncologia Madalena Paiva (Ponta Delgada), Clínica de Radioncologia Madalena Paiva (Angra do Heroísmo)


In addition to medical clinics with Oncology consultations, get to know the our Radioncology Clinics, with specialized teams and state-of-the-art technology in the fight against cancer.


Find out more about the arrangements with your insurer.

Do you have questions about Oncology at JCS?

  • What does an Oncology Patient Manager do?

  • What are JCS Cancer Centers?

  • When to go for screening?

  • Is it possible to have behaviours to prevent cancer?

  • Is cancer hereditary?

  • I have cancer. What kind of support can I get at JCS?

Book Appointment

See all the consultations we offer at Joaquim Chaves Saúde and make your appointment.

Medical Clinics

4 Medical Clinics with this specialty/service
  • Schedule
    • Weekdays: 07:30h to 20h
    • Saturdays, Sundays and Holidays: Closed
  • Contacts
    214 251 100*
  • Address
    Rua Manuel Anastácio Alves, 2

If you share your location, we can show you the nearest Healthcare Unit and how far it is from you.