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Fig. 1 | BMC Anesthesiology

Fig. 1

From: The effect of ultrasound-guided lung recruitment maneuvers on atelectasis in lung-healthy patients undergoing laparoscopic gynecologic surgery: a randomized controlled trial

Fig. 1

Each hemithorax was separated into 6 quadrants: anterior, lateral and posterior zones separated by the anterior and posterior axillary lines as anatomical landmarks, and each area was further divided into superior and inferior portions. AAL – anterior axillary line; PAL – posterior axillary line

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