BASO~ACS is a distinguished organisation representing all the surgical specialists dedicated to treating people with malignant diseases. Founded in 1971, BASO serves as a pivotal forum for surgical research, training, and advancement, all aimed at enhancing patient care in the field of cancer.

BASO~ACS now represents oncology surgeons, trainees, nurses, AHPs and their centres across UK, Ireland and has influence beyond. We aim to support our colleagues with their professional growth and enhance their expertise in surgical oncology. The Association provides great opportunities for education, training and networking for its members.

Membership Categories

Full Members are:
Professors, Senior Lecturers, Consultants, Locum Consultants, Associate Specialists, Staff Grades and Post-CCT Doctors.

Associate Members are:
Non-Surgical Clinicians

Affiliate Members are:
Clinical Nurse Specialists, Non-Medical Researchers and Allied Health Professionals, etc.

Overseas Member:
Professionals working in surgical oncology outside the UK. Members from the Republic of Ireland can choose to join as Full, Associate or Affiliate members or as an Overseas member.

Senior Retired:
Professionals who have retired from practice.

Those in training:
Trainees are invited to join BASO Trainees our Trainees Group, Please see the BASO Trainees section of this website for more details.

Our trainees membership is now open to Medical Students and Foundation Year Trainees wishing to pursue surgical training. We support our trainees with their surgical career and help guiding surgical portfolio via our regional representatives.


Our Membership benefits includes:

  • Discounted event registration: Enjoy reduced rates for attendance BASO Annual Scientific Conference, Trainees Meetings, and other significant BASO endorsed events.
  • Affiliate membership to ESSO: Gain affiliate membership to our European sister Society European Society of Surgical Oncology (ESSO)*, broadening your network and access to specialised resources.
  • Discounted ESSO courses: Access ESSO's educational courses at preferential rates, enhancing your knowledge and skillset in surgical oncology.
  • Free subscription to EJSO: Receive complimentary access to our in-house Journal the European Journal of Surgical Oncology (EJSO) in electronic format**, keeping you abreast of the latest research and developments in the field. Additionally, enjoy discounted Open Access Fee to the Journal for Articles that are full length research papers, review type articles and short communications.
  • Fellowships and Research Grants: Avail yourself of opportunities to apply for BASO~ACS Fellowship and Research Grants, fostering innovation and excellence in surgical oncology
  • Training and Conference Updates: Stay informed about relevant training courses, conferences, and other educational opportunities essential for your professional advancment.
  • Opportunities to engage the BASO National Committee: Participate in the BASO National Committee, actively shaping the direction of our organisation.
  • Eligible for Regional Representative positions: Join our expanding network of colleagues to enhance the society's regional presence. Contribute to educational initiatives, training, and mentoring for colleagues and cancer surgeons alike.
  • Claim tax relief on membership subscription: Eligible members can claim tax relief on their membership subscription, maximising the value of their investment in professional development.

*Please Note: To facilitate certain benefits such as affiliate membership of ESSO and access to the EJSO, BASO~ACS will share members's relevant contact information with these organisations.

**For members interest in receiving a paper copy sunscription of the EJSO, an additional annual fee of £44 is applicable.

Reclaiming Your Tax

BASO~The Association For Cancer Surgery is an HMRC approved (List 3) professional body. If you are a UK taxpayer, the fee you pay for your membership may be tax-deductible (eligible for tax relief). We suggest that if you wish to claim tax relief against your professional fees, it would be best to contact your local HMRC office, noting to them that the BASO~ The Association For Cancer Surgery is an approved (List 3) professional body.

Join Membership

Take the next step in advancing your career in surgical oncology by becoming a BASO~ACS member today! For inquiries or assistance with the membership process, contact BASO Admin Team.

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