ENDOBRONCHIAL METASTASIS FROM RECTAL ADENOCARCINOMA - REPORT OF A CASE

We herein report a case of late endobronchial metastasis after the res ection of a primary rectal adenocarcinoma. A 51-year-old man underwent a resection of rectal adenocarcinoma. Five years postoperatively, he underwent a right sleeve upper lobectomy for a right endobronchial tum or. The resected tumor was diagnosed to be endobronchial metastasis fr om rectal adenocarcinoma. Therefore, the relationship between the two tumors was analyzed using deoxyribonucleic acid (DNA) flow cytometry a nd immunohistochemical staining. Endobronchial adenocarcinoma had stro ng homogeneous staining patterns and identical biochemical characteris tics to rectal adenocarcinoma.