Adenoid cystic carcinoma of the upper airway is a rare tumor, which is locally invasive and frequently amenable to resection. Although late local recurrence after resection is a feature of this tumor (up to 29 years), excellent long-term palliation is commonly achieved after both complete and incomplete resection. There was a small difference in survival between patients having complete and incomplete resection. Long periods of control can be obtained with radiotherapy alone. The best results, in this series of patients, were obtained by resection. Adjuvant radiotherapy is assumed to favorably influence survival.

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Introduction: Thymoma is a rare tumor for which there is little randomized evidence to guide treatment. Because of the lack of high-quality evidence, a formal consensus-based approach was used to develop recommendations on treatment. Methods: A systematic refview of the literature was performed. Recommendations were formed from available evidence and developed through a two-round modified Delphi consensus approach. Results: The treatment recommendations are summarized as follows: Stage I-complete resection of the entire thymus without neoadjuvant or adjuvant therapy. Stage II-complete resection of the entire thymus with consideration of adjuvant radiation for high-risk tumors. Stage IIIA-surgery either initially or after neoadjuvant therapy, or surgery followed by adjuvant therapy. Stage IIIB-treatment may include a combination of chemotherapy, radiation, and/or surgery, or if technically possible, surgery in combination with chemoradiotherapy (concurrent cisplatin based). For bulky tumors, consideration should be given to sequential chemotherapy followed by radiation. Stage IVA-as per stage III, with surgery only if metastases can be resected. Stage IVB-treatment on an individual case basis (no generic recommendations). Recurrent disease-consider surgery, radiation, and/or chemoradiation. Chemoradiation should be considered in all medically inoperable and technically inoperable patients. Conclusion: Consensus was achieved on these recommendations, which serve to provide practical guidance to the physician treating this rare disease.