“…A similar case report in Japan found that, out of 53 cases of adrenal metastasis derived from colorectal cancer, 18 cases were solitary adrenal metastases, and the other cases were part of systemic metastases [ [6] , [7] , [8] , [9] , [10] , [11] , [12] , [13] , [14] , [15] ]. Fourteen cases had disease-free intervals >6 months, which means that they were metachronous [ [6] , [7] , [8] , [9] , [10] , [11] ]. Five cases had disease-free intervals <6 months, which means that they were synchronous ( Table 1 , Table 2 ) [ [12] , [13] , [14] , [15] ].…”