<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div style="RIGHT: auto">Dear GATE users,</div> <div style="RIGHT: auto">In an attempt to simulate collection of dose in thyroid (target) from activity in lungs (source) I get the following images. Capture 4 shows a head slice from the Zubal phantom. Capture 5 shows the Edep image output file at the same exact slice. What is curious about this output image is that the head appears to be embedded in the lungs!</div> <div style="RIGHT: auto"> </div> <div style="RIGHT: auto">Any opinions as to the cause of this phenomenon is greatly appreciated.</div> <div style="RIGHT: auto"> </div> <div style="RIGHT: auto">With thanks in advance,</div> <div style="RIGHT: auto">Mike </div></div></body></html>