Fig. 5

Serial MIP images. In this patient with a gastric primary and liver metastasis at baseline evaluation, the development of immune-related hepatitis led to the withdrawal of ICI treatment. Nevertheless, the patient developed pulmonary infiltrates and cutaneous lesions, particularly over the right elbow (arrow). These were confirmed on biopsy to be sarcoidosis and continued to wax and wane in response to treatment with steroids despite lack of continuing ICI treatment and ongoing complete metabolic response at prior sites of disease