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A 77-year-old male complained of persistent cough and sputum for 2 months. Chest radiography showed a solitary mass with solid opacity in the right upper lung (RUL) (figure 1A, arrow). A CT scan of the chest demonstrated an irregular mass measuring 3.8×2.8 cm in the RUL (figure 1B, arrow). Histologically, the tumour was interpreted as a poorly differentiated adenocarcinoma (figure 1C–E).
Footnotes
Funding This study was supported by a grant of the Korea Healthcare technology R&D Project, Ministry for Health, Welfare and Family Affairs, Republic of Korea (A084144) and by the Korea Science and Engineering Foundation (KOSEF) through the National Research Lab. Program funded by the Ministry of Education, Science and Technology (R0A-2005-000-10052-0(2008)).
Competing interests None.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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