A benign, inflammatory lung mass was discovered in a healthy 15-year-old boy who had no chest symptoms. A biopsy was performed, but total removal was not attempted. The histologic diagnosis was plasma cell granuloma of the lung. Because of progressive enlargement of the lung mass, radiation therapy was given and the mass has slowly regressed. Although surgery of these lung lesions is the preferred treatment, radiation therapy should be considered if there is no regression or if the mass continues to enlarge.

An analysis was made of 1,318 consecutive cases of acute myocardial infarction in which the patients were classified as "good risk" or "poor risk" on the basis of certain prognostic criteria on the day of admission to the hospital. It was found that the mortality rate for 611 "good risk" patients during the period of hospitalization was 3.4%, the incidence of thromboembolism 1.3%.

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