BACKGROUND Bronchogenic cysts are congenital cysts caused by abnormal sprouting from the ventral foregut during fetal life.They usually occur in the mediastinum or lung,but there are very rare cases of ectopic broncho...
BACKGROUND In recent years,targeted therapy and immunotherapy have become important treatment strategies for patients with non-small cell lung cancer(NSCLC).However,the clinical evidence for successful off-label use o...
BACKGROUND Primary pancreatic paragangliomas are extremely rare tumors.Limited by the diagnostic efficacy of histopathological examination,their malignant behavior is thought to be associated with local invasion or me...
BACKGROUND Epidermal growth factor receptor(EGFR)tyrosine-kinase inhibitors are widely used for the treatment of non-small-cell lung cancer with EGFR mutations.However,patients with rare,even compound EGFR mutations h...