To enhance academic exchanges among medical institutions at all levels and improve the standardized diagnosis and treatment of clinical physicians, as well as the management of oncological diseases, the third session of the Comprehensive Diagnosis and Treatment Series Conference on Malignant Tumors, hosted by the Chengdu High-Tech Medical Association, was successfully held online on March 28, 2025. The conference invited experts in oncology and related fields from within the province to deliver lectures, covering a wide range of topics with strong clinical relevance, progressiveness, practicality, and operability, making it highly valuable for grassroots physicians to learn from.