Figure 1.

Flowchart of the study. CTD, Comparative Toxicogenomics Database; DEGs, differentially expressed genes; ICGC, International Cancer Genome Consortium; MNPs, microplastics and nanoplastics; PAAD, pancreatic ductal adenocarcinoma; PMNPs, MNPs-related genes in PAAD; TCGA, The Cancer Genome Atlas.