Abstract This study aims to describe and evaluate the examination procedures, scanning techniques and thoracic ultrasound results with indications of pleural effusion minimally. This study was used 3 patients at Lung Hospital of dr. H. A. Rotinsulu Bandung. The 3 samples were tested using MEDISON (Accuvix V20) ultrasound type V20 Prestige. The examination technique uses a convex transducer w…