[Lung tumor with ileal metastasis, causing acute abdomen].

The article reports the case of a 47-year-old male patient, for whom an emergency admission was necessary for acute abdomen symptoms of unknown origin. A few weeks earlier the man underwent an elective operation for an upper quadrant tumor in the right lung. Laparotomy found a perforated ileal tumor in the background of the peritonitis and acute abdomen, bowel resection was performed. The histology revealed a pleomorphic sarcomatous carcinoma metastasis to the ileum, with histological proof of the perforation. After the postoperative recovery lung carcinoma therapy protocol was followed in a specialized chest center. Frequency and symptomatology of ileal metastases are discussed.