Research Article
Influence of Percutaneous Drainage Surgery and the Interval to Perform Laparoscopic Cholecystectomy on Acute Cholecystitis through Genetic Algorithm-Based Contrast-Enhanced Ultrasound Imaging
Figure 5
Contrast-enhanced ultrasound of drainage tube after puncture: (a–c) the contrast-enhanced ultrasound images of three patients after the PTGD.
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