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Updated: Dec 18, 2025

Using 22C3 Anti-PD-L1 Antibody Concentrate on Biopsy and Cytology Samples from Non-small Cell Lung Cancer Patients
Published on: September 25, 2018
Pulmonary pleomorphic carcinoma with pembrolizumab monotherapy
Hao-Chun Chang1, Chia-Lin Hsu1, Yih-Leong Chang2
1Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine National Taiwan University Hospital Taipei Taiwan.
Abstract:
Adenocarcinoma (ADC) is the most common form of lung cancer; however, some other types of lung cancer can sometimes mimic ADC. It then takes experienced pathologists and special stains to make the correct diagnosis. Here, we present a patient with pulmonary pleomorphic carcinoma who was misdiagnosed with ADC, and was treated with pembrolizumab for 13 months. The diagnosis and treatment (including immunotherapy) are also reviewed.
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