30% of lung cancer
Related to smoking
65% found in main, lobar, or segmental bronchi
Endobronchial mass
Bronchial obstruction
Infiltration of bronchial wall
Local invasion
Hilar mass
Atelectasis and consolidation common
30% solitary nodule or mass
Central necrosis and cavitation relatively common
Metastasis late
Relatively good prognosis
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