CTLA4 and neoplasm: The CTLA-4 expression of intratumoural Tregs (Supplementary Fig. 72) and the population of immuosuppresive tumour-associated M2 macrophage (Supplementary Fig. 73) in the IPLD-treated mice did not change after 7 days of the last treatment, indicating the important role of CTLs in tumour inhibition.