PMC5328745_01
Chest radiography revealed a mass lesion in mediastinal right upper lung field. Tumor lesion was indicated by dotted circle.
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The abnormal mass lesion was located in the upper lung field and the size of mass was 3.0 x 2.5 cm in diameter (Fig. 1, Fig. 2).
Computed tomography of the chest revealed a mass lesion adjacent to vessels in mediastinum. Tumor lesion was indicated by dotted circle. A) The introducible bronchus to mass lesion was not identified. B) Because an innominate vessel was located over the tumor, we could not find the route of percutaneous CT guided needle biopsy.
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Because an innominate vessel was located over the tumor, we could not find the route of percutaneous CT guided needle biopsy (Fig. 2).
A pathological diagnosis of a resected tumor was solid type of adenocarcinoma by new WHO classification.
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A pathological diagnosis of a resected tumor (3.0 x 2.5 cm) was solid type of adenocarcinoma by new WHO classification (Fig. 3).