BP	Biological Processes
CC	Cellular Components
DEPs	Differentially Expressed Proteins
DPL	Differential Protein Levels
ESCC	Esophageal Squamous Cell Carcinoma
GO	Gene Ontology
PCA	Principal Component Analysis
RSF1	Remodeling and Spacing Factor 1
TMA	Tissue Microarray
4-NQO	4-Nitroquinoline N-oxide