Raw results of nanoLC-Q-TOF-MS /MS for four immunoblotting spots with elevated autoantibody levels in early ESCC.

<p>NanoLC-Q-TOF-MS/MS was used to identified the candidate autoantibodies which were detected from the serum of ESCC patients but not from healthy controls. Mascot searching engine were used to make a confirmation of the information provided by MS spectrum. In the database are the original results of the immunoblotting spots that we screened.</p>