Despite the well-known trend of decreasing autopsy rates in the western world we believe that the postmortem examination is a most valuable diagnostic tool in the setting of a university cardiac surgery unit. Our results confirm the importance of autopsies for all patients who die after the operation, because a significant part of autopsies reveals major discrepancies between clinical and postmortem diagnoses. In an effort to maintain a high quality of treatment and education the autopsy rate of a hospital is of utmost interest.

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Abstract. In this communication, we will present a very rare case of the coexistence of non-Hodgkin's lymphoma (NHL; low malignant lymphocytic lymphoma of the B-cell type) and a non-small-cell lung carcinoma (NSCLC). A patient with a 15-year history of NHL developed a generalized relapse of the lymphoma with an additional tumor mass in the left lower lobe of the lung. Bronchoscopy showed the evidence of the NHL. Due to non-responding chemotherapy on the lung tumor, the coexistence of a second malignancy was histologically proved in a second bronchoscopy. Resection of the lung tumor with complex lobectomy and lymphadenectomy was performed. After that, chemotherapy with four cycles of carboplatin supplemented with taxol was induced. The patient was discharged from the hospital with a stable remission of both tumor diseases. Restaging after six months showed no evidence of a tumor relapse. This is a very rare case of the coexistence of NHL and NSCLC; we will discuss the difficulty of diagnostic and treatment of both tumor diseases.

We report on an extremely rare case of pulmonary mucinous cystadenocarcinoma. A 29-year-old male patient was admitted because of progressive enlargement of a right lower lobe mass over a period of 10 years. Right lower lobectomy was performed after a malignant mucinous cystadenocarcinoma was diagnosed by intraoperative frozen section. PET and CT scans did not detect metastatic disease. This case is the youngest patient reported so far with a malignant pulmonary mucinous cystadenocarcinoma and highlights the importance of close follow-up of indeterminate pulmonary nodules in patients with unremarkable history.

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