A 71-year-old man was admitted to our hospital with a small protrusive lesion at the lingular orifice of the left upper bronchus. He had undergone a right lower lobectomy and mediastinal dissection for lung carcinoma (large cell carcinoma, pT1N0M0) 14 months earlier. Early hilar squamous cell carcinoma was diagnosed by chest radiograph, CT and transbronchial biopsy. We performed a lingular segmentectomy with wedge resection of the left upper bronchus and N 1 lymph node dissection. The tumor was histopathologically diagnosed as early hilar second primary lung carcinoma. The patient's postoperative course was uncomplicated. At present, he is alive with good respiratory condition and without any evidence of recurrence. Segmentectomy is appropriate for a patient with contralateral second primary lung carcinoma as well as a patient with early hilar lung carcinoma. Bronchoplasty seems to increase the likelihood that such a patient will be a candidate for segmentectomy.
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