Atsushi Takise

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A 64-year-old male patient complained of a one-month history of bloody sputum. A polypoid tumor was almost obstructing the orifice of the subsegmental bronchus (B8b) of the anterior basal segment of the right lower lobe on bronchoscopy. Biopsy specimens of the tumor surface yielded a diagnosis of undifferentiated carcinoma. Clinical staging was T1aN0M0,(More)
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