CD274 and neoplasm: The immunohistochemistry analysis of a lymph node tissue biopsy was performed in Shanghai Integrated Traditional Chinese and Western Medicine Hospital Affiliated to Shanghai University of Traditional Chinese Medicine January 2023,the result revealed the following: PD-L1 tumor proportion score (indicating protein level), 30%; combined proportion score 40% (Figure 1); the immune cell score 10%; tumor mutational burden, 2.79/Mb; and microsatellite stability 14.