Extended Resection of T4 Lung Cancer with Invasion of the Aorta: Is It Justified?

Abstract

Background: We report our 10-year experience of performing surgical resection of T4 lung cancer invading the thoracic aorta. Patients and Methods: From 1994 to 2004, sixteen patients with T4 primary lung cancer with local invasion of the thoracic aorta underwent tumor resection. Surgical resection included 8 pneumonectomies and 8 lobectomies. The histologic type was squamous cell carcinoma in 7 patients, adenocarcinoma in 7, large cell carcinoma in 1, and small cell carcinoma in 1. Complete resection of the tumor with mediastinal lymph node dissection was achieved in 8 patients (50 %), while the resection was incomplete in the other 8 cases. Results: The overall cumulative survival of the 16 patients at 3 and 5 years was 34.7 % and 17.4 %, respectively. The survival of the patients in the complete resection group was found to be 36.5 % at 5 years, with 2 patients surviving more than 5 years without a recurrence, which was significantly better than that of the incomplete resection group (p = 0.005). Conclusions: Extended aortic resection with primary lung cancer is complex and possibly high risk, but can achieve long-term survival in selected patients. Surgical resection should be considered as a treatment option for T4 lung cancer for this T4 subcategory.

Key words

Lung cancer - T4 - aorta - cardiopulmonary support - prognosis

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