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[Diagnostic difficulties in diffuse pulmonary infiltrations].

We described a case of 26-year-old woman, with the history of cough and exercise dyspnoea. Chest X-ray and HRCT examination showed diffuse interstitial infiltration. Histopathological examination of supraclavicular lymph nodes and lung tissue obtained by transbronchial biopsy revealed metastatic adenocarcinoma. Despite several examinations, including gastroscopy- the primary site of cancer was not established. Rapid progression of the disease led to death. Post-mortem examination revealed diffuse gastric carcinoma as the primary neoplasm.