The results of thymoma pathology after surgery usually come out in about 5~7 days, and if you still need to check the immunohistochemistry test, you usually need to wait for about 1 week more. 1. The routine pathology process of the postoperative mass of thymoma includes fixation, embedding, sectioning, staining, reading, discussion, diagnosis, reviewing, reporting and other processes, which usually takes about 5~7 days. 2. If the conventional pathology cannot detect the origin of the tumor well, it is necessary to do further immunohistochemistry examination to confirm the nature of the tumor, a set of immunohistochemistry examination process usually takes about 5~7 days, so it is necessary to wait for about 1 week before the pathology can be issued. Thymoma pathology after surgery a few days out of the pathology, specific hospitals are slightly different, it is recommended to go to the operating hospital for further consultation.