A 71-year-old male was referred to the Ophthalmology Department with a choroidal metastasis shown in wide-field colour and optical coherence tomography images (A). He was found to have a primary lung adenocarcinoma, and bronchoscopic biopsies revealed tumour expression of programmed death-ligand 1. Subsequently, the immunotherapeutic agent pembrolizumab was started.
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Published online: January 24, 2023
Accepted: January 6, 2023
Received in revised form: December 19, 2022
Received: November 17, 2022
Publication stageIn Press Corrected Proof
© 2023 Canadian Ophthalmological Society. Published by Elsevier Inc. All rights reserved.