transfer learning allows the knowledge transference from the source (training dataset) to target (test dataset) domain. feature selection for transfer learning (f-mmd) is a simple and effective transfer learning method, which tackles the domain shift problem. f-mmd has good performance on small-sized datasets, but it suffers from two major issues: i) computational efficiency and predictive perf...

a 57-year-old woman was referred with chief complaint of pallor and lethargy for 9 months. laboratory investigation was notable for anemia and occult blood in the stool exam. her past medical history was unremarkable. endoscopy of the upper gastrointestinal tract showed a large fungative reddish mass measuring 7 x 6 cm in the body of the stomach and multiple variable size polyps in the antrum (...

lipoma is a benign mesenchymal tumor of fat with uncertain pathogenesis. although the most common mesenchymal neoplasm in trunk and proximal portions of the extremities, it is rarely seen in the oral cavity. oral lipomas are clinically soft, smooth-surfaced nodular masses that mostly are less than 3 cm in size. typically the tumor is asymptomatic unless bitten or become noticeable because of th...

herein, we reported on a case of solid type of pulmonary actinomycosis in a 10-year-old boy. he had productive cough for 40 days. bronchoscopy was normal. cmputed tomography revealed a solid large mass in the upper lobe of his left lung with mimicking malignant leisions. he was referred for surgery and underwent left upper lobectomy. macroscopically, the specimen measured 13×9×5 cm and was crea...

primary pancreatic leiomyosarcomas are rare malignant neoplasms with an aggressive course and a large size. a 56-year-old woman presented with an 8-year history of abdominal pain. multislice computed tomography revealed a large heterogeneous mass with necrotic, calcified and macroscopic fatty areas. the tumor was excised. histopathological evaluation revealed leiomyosarcoma of the pancreas. if ...