Figure 1. Samples assessed.

(a) Anatomic sites from which samples were obtained. (b) Histologic subtypes (EN: endometrioid, CC: clear cell, S: serous and U: undifferentiated carcinomas, and CS: carcinosarcoma), grade, FIGO 2009 stage at primary diagnosis, time of metastatic lesion sampling, and treatment after primary diagnosis. Asterisks indicate four cases that were clinically difficult to distinguish as metastatic or independent synchronous primary cancers at time of resection.