TIMP1 and renal cell carcinoma: TIMP1 is highly expressed in a plethora of tumours including colon,32 pancreas,33 breast,34 gastric,35 esophageal,36, 37 diffuse large B‐cell lymphoma,38 and renal cell carcinoma,39 in addition to non‐neoplastic tissues like the adipose tissue.40, 41