PMC4629714_01
(a) HRCT showing nodules (white arrows) and cysts (black arrows). (b) Transbronchial biopsy of the lung (estrogen receptor immunohistochemical stain).
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In 2012 a new HRCT showed slight increase in the size and number of nodules (Fig. 1a). Transbronchial biopsies showed a nodule with abnormal proliferation of spindle-shaped cells in fascicular streaks (Fig. 1b).