Abstract Background In spontaneous pneumothorax. clamping the chest drain before its removal may avoid reinsertion in case of early recurrence. but may be unsafe and may prolong hospital stay. The objective of this study was to examine the incidence of early recurrence in both clamped and unclamped pneumothorax episodes. https://ashleyshomestores.shop/product-category/4-piece-power-reclining-sofa/