71. Smooth, well-circumscribed nodule of the left mid-lung field (arrow) that did not change on serial chest radiographs during a 2-year period. This is most likely a benign pulmonary nodule , perhaps a hamartoma. Radiografía de tórax
76. Chest radiograph of a patient with bilateral pulmonary metastases from endometrial cancer . The mass in the right upper lobe is well circumscribed and has the radiographic appearance typical of a metastasis.
77.
78. Solitary, irregular mass of the left upper lobe mass (arrow) diagnosed incidentally on a routine chest radiograph in a 50-year-old nonsmoking woman. Computed tomography of the chest confirmed the presence of the mass but did not demonstrate any mediastinal adenopathy. At exploratory thoracotomy, the patient had a T1 N0 adenocarcinoma .
103. N 1 Ganglios linfáticos intrapulmonares e hiliares. N 2 Ganglios mediastínicos del mismo lado. N 3 Ganglios mediastínicos contra laterales y supraclaviculares.