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Introduction. Ovarian cancer is the most lethal gynecological cancer. The most common manifestation of thoracic metastasis is pleural effusion. Pleural effusion with positive cytology is regarded as stage IVa of the International Federation of Gynecology and Obstetrics classification, and the overall five-year survival in these patients is less than 20%. We analyzed the data of patients with ovarian cancer who were treated at the Oncology Institue of Vojvodina, in order to establish the incidence of malignant pleural effusions, laterality of pleural effusions, and clinical manifestations. Material and Methods. The study included 731 patients with ovarian cancer who were treated at the Oncology Institue of Vojvodina from January 2012 to May 2020. The obtained data were compared with data found in the literature in the same period. Results. The incidence of malignant pleural effusion in our study was 5.75%; right-sided pleural effusion was found in 57.15% of patients, 33.33% of patients had effusion on the left side, and 9.52% had bilateral effusions. Thus, unilateral effusion was found in 90.48% of cases, and bilateral in only 9.52%. The most common symptom was dyspnea, reported in 33 patients (78.6%). Conclusion. The incidence of malignant pleural effusion in our study was most similar to data found by Zamboni et al. published in 2015; the right side was the dominant side of pleural effusions. The most common symptoms were dyspnea, shortnes of breath and chest pain.

Introduction. Two-thirds of patients with congenital pulmonary airway malformation are asymptomatic at birth, but during life they may develop symptoms such as recurrent respiratory infections. The purpose of this paper is to present three cases of adult patients in whom congenital pulmonary airway malformation was diagnosed and treated at the Institute for Lung Diseases of Vojvodina, along with the clinical course of the disease and the therapeutic procedure. Case Report 1. A 24-year-old female with a medical history of asthma and recurrent signs of lower respiratory tract infections was referred to a thoracic surgeon. Computed tomography of the chest and clinical features were consistent with a congenital lung disease. A left lower video-assisted thoracoscopic lobectomy was performed. Histopathological analysis confirmed type II congenital pulmonary airway malformation with pulmonary sequestration. Case Report 2. A 41-year-old male with a history of left-sided spontaneous pneumothorax at the age of 16 was referred to a thoracic surgeon due to moderate hemoptysis, one month after hospital treatment of left-sided bronchopneumonia. On chest computed tomography, multiple cystic lesions were found in the left lower lung lobe. Thoracotomy and left lower lobectomy were performed. Histopathological analysis confirmed type I congenital pulmonary airway malformation. Case Report 3. The third patient was a 16-year-old male with a history of juvenile asthma and recurrent right-sided bronchopneumonia. Sings of necrotizing pneumonia, lung abscess, and mediastinal lymphadenomegaly were found in the affected lobe. Thoracotomy and right lower lobectomy were performed. Histopathological analysis confirmed type II congenital pulmonary airway malformation. Conclusion. In children and young adults with recurrent small airway inflammation, congenital lung malformation should be considered in the differential diagnosis.

Introduction. Fibrous dysplasia is a noninherited benign skeletal disorder associated with abnormal bone development. Single bone involvement, the monostotic form, accounts for 70 ? 80% of cases, while the polyostotic form, with multiple bone involvement, accounts for 20 ? 30% of cases. Cystic degeneration and occasional aneurysmal bone cyst formation may be found in fibrous dysplasia lesions, particularly in the costal lesions. Case Report. A 51-year-old man presented with acute shortness of breath after sustaining simple chest wall injury. Chest computed tomography showed multiple massive osteolytic rib lesions, as well as a massive left-sided pleural effusion with compression atelectasis of the lung parenchyma. Osteolytic lesions of the anterior 2nd and 7th thoracic vertebral body were found, along with a well defined osteolytic lesion in the body of the sternum. Video-assisted thoracoscopy of the left pleural space was performed and frozen sections, collected using endoscopic biopsy forceps of the cystic wall and solid parts of the tumors, were sent for ex tempore histopathological analysis. Results showed fibrous dysplasia with suspected malignancy. Talc pleurodesis was performed based on the obtained results. At present, the patient is asymptomatic with his daily routine uninterrupted by his medical condition. Conclusion. Treatment of pleural effusion caused by a cyst rupture of unresectable degenerated polyostotic fibrous dysplasia of the ribs represents a surgical challenge. Surgical drainage of the cysts followed by chemical pleurodesis seems to be a reasonable solution in cases where pulmonary functions are impacted by combined effects of pleural effusion and cystic compression.

Introduction. Tracheobronchial disruption is a rare disorder, usually accompanied by a severe blunt chest trauma that quite rarely appears as an isolated event. Case Report. This is a case report of a right main bronchus disruption, due to an injury to the right hemithorax, caused by a falling tree trunk. The disruption was accompanied by mediastinal emphysema, fractures of the 4th and 5th ribs on the right side and compound sternal fracture. The patient was operated in general anesthesia, through right thoracotomy approach, followed by successful right main bronchus reconstruction by interrupted suture technique, without anatomic resection of the lung parenchyma. Conclusion. Although this injury is rare, with suspicion of bronchial rupture, bronchoscopy confirms the diagnosis and leads to better prognosis.