Comment: Predictability of Survival in the Individual Patient With Lung Cancer

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Abstract
The main hope for survival rests in the patient who has a resectable tumor without overt evidence of regional or distant metastases. Cliffton classifies this type of malignancy as stage I and notes that the lesion is "probably resectable with a good chance for cure." In analyzing the figures, only one of five in this category manage to survive five years. This is still a poor result. Are there any specific prognostic factors that determine longterm survival even in this highly selected group? The majority of reports indicate that there is no relationship between survival and age, sex, race, or duration of symptoms. Of pertinence is a recent report by Reinhoff et al (1965)14who studied the pathological specimens of resected lungs. Factors which appeared significant to long-term survival werecell typeandblood-vessel invasion. Bronchiolar carcinoma carries a much better prognosis (87% survival) than adenocarcinoma and well differentiated

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