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Ann Thorac Surg 1996;61:162-163
© 1996 The Society of Thoracic Surgeons

Invited Commentary

Invited Commentary

Samuel P. Hammar, MD

Diagnostic Specialties Laboratory PO Box 2171 700 Lebo Blvd Bremerton, WA 98310

The first 20% of the full text of this article appears below.

See also page 158.

The most important factor in determining the prognosis of lung cancer is the anatomic stage of the tumor. In most instances, the TNM designation is easily determined, assuming the appropriate pathologic and clinical studies have been done. In some instances, however, situations arise that create confusion concerning the staging of lung neoplasms. One such situation is the presence of more than one tumor in the lung. The question usually arises as to whether one tumor is a metastasis from the other, or whether the tumor represents a primary synchronous neoplasm. This is not necessarily an easy question to answer, especially when the other tumor(s) are in the same lobe, or the same bronchopulmonary segment. If the neoplasms have the same histologic features they are often considered as intrapulmonary metastases. If they are histologically different, they are considered primary synchronous neoplasms.

This article by Nakajima and associates reported on a retrospective study of 236 consecutive cases of non-small cell lung cancer treated by surgical resection. In this group of 236 cases were 50 in which . . . [Full Text of this Article]


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Excellent Survival in a Subgroup of Patients With Intrapulmonary Metastasis of Lung Cancer
Jun Nakajima, Akira Furuse, Teruaki Oka, Tadasu Kohno, and Toshiya Ohtsuka
Ann. Thorac. Surg. 1996 61: 158-162. [Abstract] [Full Text]





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