Further, an unidentified m/z value (m/z 1461.702) and [MVNHFIAEFK] (m/z 1235.618) from Heat shock cognate 71 kDa protein (HSPA8) were higher in male tumour regions, while two unidentified m/z values (1661.060 and 1305.840) were higher in female stroma regions. The gene discussed is HSPA8; the disease is neoplasm.