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In the boxes with black border are represented the anatomical postures of ultrasound’s probe in the evaluation of subcutaneous tissue. (A) MaxASFTlower; (B) MaxASFTupper; (C) MinASFT and PFT. MaxASFTlower, maximum abdominal subcutaneous fat thickness 2 cm below the umbilicus; MaxASFTupper, maximum abdominal subcutaneous fat thickness 2 cm above the umbilicus; MinASFT, minimum abdominal subcutaneous fat thickness; PFT, pre-peritoneal fat thickness.
