PMC3949555_01
A condensation that occupied nearly the entire right lung was observed at diagnosis.
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PMC3949555_01_gr1.jpg
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A CT scan revealed a condensation that almost entirely occupied the right lung (Fig. 1).
A response of greater than 50% was observed one month after starting Gefitinib treatment.
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One month later, the patient was asymptomatic, and a CT scan revealed a response greater than 50% (Fig. 2).
Panoramic image of the lung parenchyma. After treatment, most lung tissue was replaced by fibrous cellular sparingly, histiocytes with pigment and some inflammatory cells. At the bottom right side, normal parenchyma preserved to compare similar microscope magnifications.
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When a right pneumonectomy was performed post-treatment, the amount of residual viable tumour found was less than 10%, and reparative fibrous lesions were present (Fig. 3).