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The paper is devoted to analysis of the investigation and treatment of 137 patients with histologically verified lung sarcoma. X-ray was the chief method of primary detection. A classification, singling out 3 types, was developed: peripheral (82.6%), central (16%) and disseminated (1.4%). The first one included nodular (76%) and pneumonia-like (6.6%) types of changes, the second one--endobronchial changes (11%), peribronchial (2.9%) and exobronchial nodular (2.1%) changes. The developed roentgenosemeiotics made it possible to diagnose malignancy in 72% of the patients, indicating its nonepithelial nature in 36%.

The main peculiarities of the clinical course of lung sarcoma were determined from representative material of 134 patients. The main features differentiating malignant nonepithelial tumors from carcinoma of the lung are: younger age (average age 45.5 years), predominantly peripheral clinico-anatomical form (82.8%), and prevalent hematogenic metastasis. Five-year survival in the whole group of patients after surgical treatment was 54%. The size and histological form of the tumor are the main factors of prognosis. The degree of differentiation acquires prognostic significance in tumors measuring more than 3 cm in diameter.

The most common of all the breast diseases in men is gynecomastia (76%). The authors covered some aspects of clinical and x-ray diagnosis of gynecomastia, presented its roentgenological classification including the following three types: nodular, (28 patients), dendritic (88) and parenchymatous (16). Pseudogynecomastia, i.e. the gland enlargement in volume without consolidation of its structure, was described (10 patients). The authors emphasize the complexity of the differential diagnosis of the boundary forms of gynecomastia and the necessity of a multimodality study using mammography.