• Based on the 2026 ASCO Annual Meeting held in Chicago, USA • A concise summary for patients from the world's largest cancer congress Tansan Clinic June 2026 450+ scientific studies Every year in May–June, cancer experts from around the world gather at the ASCO Annual Meeting. This meeting is where the most important innovations in cancer treatment are announced for the first time.

We used to think that the immune system wasn't very important in cancer, except for one or two types. Now we understand that this isn't the case. Our soldier cells that fight cancer, T cells, or T lymphocytes, don't function very well under sadness and high stress; they become sluggish and dull. In fact, cancer cells are forming in our bodies every day, but our T lymphocytes recognize them, saying, "Come here, you naughty thing!"