The ornamental design for a digital breasttomosynthesismachine, as shown and described.
FIG. 1 is a perspective view of a digital breast tomosynthesis machine;
FIG. 2 is a front plan view thereof;
FIG. 3 is a first side plan view thereof;
FIG. 4 is a rear plan view thereof;
FIG. 5 is the other side plan view thereof;
FIG. 6 is a top end view thereof; and,
FIG. 7 is a bottom end view thereof.
The broken lines in the drawing views are included for the purpose of illustrating portions of the digital breast tomosynthesis machine that form no part of the claimed design.