 Score descriptions Using this system  the most well-differentiated tumors have a Gleason score/grade of 2, and the least-differentiated tumors a score of 10. Range by definition is from 2-10, with architectural type being from 1-5 and always doubled or added together accordingly as described above.
<clarity>  Score descriptions Using this system  the most well-differentiated tumors have a Gleason score/grade of 2, and the least-differentiated tumors a score of 10. Range by definition is from 2-10, with architectural type being from 1-5 and always doubled or added together accordingly as described above.
 Score descriptions Using this system the most well-differentiated tumors have a Gleason score/grade of 2, and the least-differentiated tumors a score of 10. Range by definition is from 2-10, with architectural type being from 1-5 , and always added together or doubled, as described above.