# Oncology Institute of Southern Switzerland (IOSI)

Source: https://onco.cc/institutions/iosi-bellinzona/  
OnCo record `iosi-bellinzona` (Institution). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

The cancer institute of the Italian-speaking Swiss canton of Ticino, led by prostate cancer trialist Silke Gillessen and home to the lymphoma group that co-founded the IELSG.

## Summary

The Oncology Institute of Southern Switzerland (IOSI) is the oncology arm of the Ente Ospedaliero Cantonale, the public hospital group of Ticino, and works with the Università della Svizzera italiana and the Institute of Oncology Research in Bellinzona. Its medical and scientific director, Silke Gillessen, co-led the STAMPEDE platform trial and the Advanced Prostate Cancer Consensus Conference; its lymphoma unit, under Emanuele Zucca, hosts the International Extranodal Lymphoma Study Group.

## Fields

- Kind: Institution
- Last checked: 2026-09-18
- Also known as: Istituto Oncologico della Svizzera Italiana; IOSI; Ente Ospedaliero Cantonale (EOC) oncology
- City: Bellinzona, CH
- Type: cancer-center
- Website: https://www.eoc.ch

## Sources

- EOC: https://www.eoc.ch

## Connected records

- cancers: [Diffuse large B-cell lymphoma](https://onco.cc/cancers/dlbcl/), [Prostate cancer](https://onco.cc/cancers/prostate/)
- institutions: [International Extranodal Lymphoma Study Group](https://onco.cc/institutions/ielsg/)
- people: [Silke Gillessen](https://onco.cc/people/silke-gillessen/)

---
JSON: https://onco.cc/api/v1/entities/iosi-bellinzona.json