HSPA1A and malignant colon neoplasm: Studies of Zimmermann et al. (26) have shown that the Hsp27 and Hsp70 serum levels could discriminate clinical stages in NSCLC and the group of Bauer et al. (28) has shown that the tumoral expression of both HSPs might provide useful biomarkers for risk stratification of UICC stage I/II colon cancer.