Fig. 1From: Multimodal therapy with surgery and adjuvant nivolumab for late-onset multiple liver metastases of choroidal malignant melanoma: a case reportEnhanced CT (computed tomography) findings. a Enhanced CT showed a tumor with ring enhancement in S5/6 (black arrow). c, e S5 and S7 tumors were not observed in the early phase (black arrowhead, dotted black arrow). b, d, f All three tumors were visualized as low-density regions in the late phaseBack to article page