Entenda Radioterapia

Editorial transparency and privacy

How this independent educational project presents information and handles data

Purpose

This website provides general information about radiotherapy and radiosurgery. It does not replace a medical consultation, diagnosis or individual treatment advice.

Scientific responsibility

Dr. Gustavo Nader Marta — MÉDICO, CRM-SP 133966, Radiotherapy specialist registration (RQE) 104627.

Institutional relationships

Professional affiliations are stated for biographical context, without implying that the institutions sponsor or endorse this independent website.

Images and references

The portrait was supplied for this project. Other digital illustrations are educational and do not depict actual patients or examinations. Source materials are referenced without reproducing their complete copyrighted content.

Personal information

This website has no patient registration forms or visitor analytics. Its hosting provider may record technical connection data, including IP addresses, to operate and secure the service. This notice must be updated before new external tools are introduced.

External links and WhatsApp

Telephone and WhatsApp links open third-party services that have their own privacy terms. Avoid sending sensitive medical documents unless you are using an appropriately authorised clinical channel.

Editorial updates

Health guidance and laws can change. Content should be reviewed periodically by the responsible professional.

Editorial sources and methodology

The references supporting the guides are gathered here by topic. The website uses original patient-facing explanations; consult the underlying publications for full scientific details.

General sources and methodology

Approach

The guides were developed from medical educational resources, clinical guidance and patient leaflets, using original language adapted for readers without medical training.

Main international sources

International Atomic Energy Agency (IAEA), Radiotherapy UK, American Society for Radiation Oncology (ASTRO), eviQ and selected NHS patient-information resources.

Brazilian sources

The National Cancer Institute (INCA), the Brazilian Society of Radiotherapy, public legislation, INSS, Caixa, Receita Federal and the National Supplementary Health Agency (ANS). The patient-rights article applies specifically to Brazil.

Scope and limitations

Information is general and does not establish suitability for any particular treatment. Some methods mentioned may not be available at every centre; patient access and legal rights vary by country.

Original content

Text is newly written for this educational website and is not a reproduction of source leaflets or paid clinical-reference material.

Cancer patient rights in Brazil — Brazilian law only ↗

Sources by topic

Select a subject to review the reference materials informing that guide.

Ablative radiotherapy (SBRT/SABR)
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Before radiotherapy: consultation and planning
  1. IAEA
  2. Radiotherapy UK
  3. INCA
After your final radiotherapy session
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Radiotherapy for head and neck cancers
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Radiotherapy for brain tumours
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Rights of cancer patients in Brazil
  1. INCA – direitos sociais
  2. INSS
  3. Caixa / FGTS
  4. Receita Federal
  5. ANS
Radiosurgery for selected movement disorders
  1. IAEA
  2. Radiotherapy UK
  3. INCA
What happens during radiotherapy sessions?
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Radiotherapy side effects: what to expect
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Understanding radiotherapy
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Radiosurgery for brain arteriovenous malformations (AVMs)
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Radiotherapy for breast cancer
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Radiotherapy for brain metastases
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Radiotherapy for bone metastases
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Radiosurgery for trigeminal neuralgia
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Palliative radiotherapy: relieving symptoms
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Radiotherapy for skin cancer
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Quality of life during and after radiotherapy
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Can radiotherapy be repeated in the same area?
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Radiotherapy techniques: 3D, IMRT, VMAT and IGRT
  1. IAEA
  2. Radiotherapy UK
  3. INCA
Glioblastoma: what is the role of radiotherapy?
  1. ASTRO — WHO grade 4 adult-type diffuse glioma (2025)
Grade 2 and 3 gliomas: when is radiotherapy needed?
  1. ASTRO — IDH-mutant grade 2 and 3 glioma (2022)
Meningioma: observation, surgery or radiosurgery?
  1. EANO — Diagnosis and management of meningiomas (2021)
Vestibular schwannoma: when is radiosurgery an option?
  1. EANO — Diagnosis and treatment of vestibular schwannoma
Pituitary tumours: when is radiotherapy used?
  1. Pituitary Society — Prolactin-secreting pituitary adenomas (2023)
Cancer-related spinal cord compression: signs and treatment
  1. NICE — Spinal metastases and metastatic spinal cord compression (NG234)

Website and privacy contact

For website content queries, editorial corrections or privacy-related requests, please email:

gustavonmarta@gmail.com

This address is for website administration and privacy matters only. Please do not email medical records, images, sensitive health information or requests for individual medical advice. For appointments and clinical matters, please use the appointment contact channels listed on this website.

Website privacy contact

This site has no patient registration or form for medical records. The hosting provider may process IP addresses and technical access logs for operation and security. The website privacy contact is provided below.

gustavonmarta@gmail.com

This website does not use Google Analytics, advertising pixels or first-party visitor tracking. The privacy notice must be updated before any third-party service is enabled.