{'fraction_non_alphanumeric': 0.03768624014022787, 'fraction_numerical': 0.04294478527607362, 'mean_word_length': 5.106951871657754, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
[Bronchopulmonary carcinoids: surgical therapy and prognosis].

From 1976 to 1996 sixty patients with bronchopulmonary carcinoid were operated on at our institution. Post-operative histologic examination revealed typical carcinoid tumors in 50 cases and atypical carcinoid tumors in 10 cases. Preoperative diagnosis was correct in 32 cases (53%) and wrong in 11 cases (18%). In 17 cases (29%) we carried out a diagnostic thoracotomy. Resection was potentially for cure in 55/60 patients. Five-year-survival rates were 100% for patients with typical carcinoid tumors and 97% and 92% at 10 and 15 years, respectively. Regional lymphatic tissue was involved in typical (12%) as well as in atypical carcinoid tumors (20%). Furthermore distant metastasis occurred in both types of tumors, 4% in typical and 11% in atypical carcinoid tumors. There was no relationship between lymph node involvement and distant metastasis. Local recurrence was seen in 2/60 patients. Both patients suffered from atypical carcinoid tumors. Patients in whom only incomplete resection due to advanced tumor stage was possible showed no benefit from operative therapy.