Vol. 11 No. S1 (2026): Proceeding of 20th Iranian Society of Clinical Oncology Congress

This special issue includes peer-reviewed abstracts accepted and presented at the 20th Iranian Clinical Oncology Congress, 28- 30 Jan. 2026, held in Tehran, which brought together members of the Iranian oncology community to share scientific knowledge, clinical experience, and emerging innovations in cancer care. Building upon more than five decades of experience in cancer care, education, and research, and nearly three decades of the Clinical Oncology Congress as a platform for scientific exchange, this congress represented another important step in the continued development of oncology in Iran.