Occult diffuse jejunal metastasis from poorly differentiated non-small cell lung cancer mimicking immune checkpoint inhibitor enteritis
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Gastrointestinal metastases from non-small cell lung cancer (NSCLC) are rare and usually focal. Diffuse small bowel involvement without discrete lesions is uncommon and often radiographically occult.An elderly man with a history of poorly differentiated NSCLC,... ...
