domains due to the flexibility of prompting. With the recent introduction of the Segment
Anything Model (SAM), this prompt-driven paradigm has entered image segmentation with a
hitherto unexplored abundance of capabilities. The purpose of this paper is to conduct an
initial evaluation of the out-of-the-box zero-shot capabilities of SAM for medical image
segmentation, by evaluating its performance on an abdominal CT organ segmentation task …