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The authors performed 69 puncture biopsies (in 12 cases--under guidance of laparoscopy, in 57--ultrasound investigation) in 63 patients with indeterminate diagnosis of focal hepatic lesion. A positive result was noted in 59 (96.9%) patients. Of them, 43 had a malignant tumour been diagnosed, 16--non-tumour process. In 2 cases, a false negative result was obtained, in 1--a false positive one.

Laparoscopic findings obtained in patients with cancer of the thoracic part of the esophagus (321) and proximal part of the stomach (383) were analysed. As a result of laparoscopy, unjustified surgery was withheld in 14.9 and 19.3% of cases, respectively. Tumor resectability in the laparoscopy negative group was 92.8 and 84.5% for cancer of the lower and mid-third of the esophagus, respectively, and 76.2% for cancer of the proximal part of the stomach. Laparoscopy yielded false-negative results in 1.9% of cases and failed to be instrumental in diagnosis-in 4.5%.

The results of surgical treatment of 116 patients with cancer of the proximal part of the stomach are analysed; in 63 of the patients the tumor had spread to the esophagus. Combined gastrectomy was performed in 87 patients, combined proximal resection of the stomach--in 2 patients. In 73 patients the operation was carried out through a transperitoneal approach. The authors describe an original method of compression esophago-intestinal anastomosis established through a transperitoneal approach with a suturing apparatus of their design. The operation was performed on 14 patients. Comparative analysis of the results of surgical treatment with the use of different methods for creating the anastomosis allows the suggested method to be recommended when a transpleural approach is contraindicated.