Overall survival curves of soft tissue sarcomas’ patients. The results are stratified according to the immunohistochemical expression of the different proteins analyzed. Continuous line refers to positive expression while interrupted line refers to negative expression. Plasma membrane expressions of MCT1 (A) and MCT4 (C) are significantly associated with lower patient’s overall survival, while nuclear expression of MCT1 shows a strong tendency to be associated with higher patient’s overall survival (B). Plasma membrane expression of CD147 (D) is not associated with patient’s overall survival, however, plasma membrane co-expression of CD147 with MCT4 (F), but not MCT1 (E), is associated with lower patient’s overall survival.