The ICP-MS gadolinium concentration (μmol/l) of the whole tumor correlated significantly to histopathological elastin area stains (%) (R = 0.59; P < 0.05) and the elastin-specific MR-based RE (R = 0.73; P < 0.01) (Fig. 3B,C). The gene discussed is ELN; the disease is neoplasm.