Case of metachronous bilateral isolated adrenal metastasis from colorectal adenocarcinoma and review of the literature

Figure 2 Adrenal tumor. A: Macroscopic findings of the adrenal lesion showed a solid tumor with necrosis; B: Microscopic findings of the adrenal tumor showed moderately differentiated adenocarcinoma that resembles the primary sigmoid lesion that had been resected. This indicated that the metastasis was from the sigmoid carcinoma.