A case report details a nonmetastatic pulmonary carcinoid tumor presenting with carcinoid syndrome, despite negative 5-HIAA levels. This finding may influence diagnostic approaches for carcinoid syndrome in similar cases.
nonmetastatic pulmonary carcinoid presenting with carcinoid syndrome despite negative 5 hiaa a case report
Original title: “Nonmetastatic Pulmonary Carcinoid Presenting With Carcinoid Syndrome Despite Negative 5-HIAA: A Case Report.”