The ornamental design for a displayscreen with transitionalgraphical user interface for a medical imagedataprocessingapplication, as shown and described.
FIG. 1 is a front view of a first image of a display screen with transitional graphical user interface for a medical image data processing application; and,
FIG. 2 is a front view of a second image thereof.
The broken lines of the display screen and the other broken lines in the drawings form no part of the claimed design. The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1 and 2. The process or period in which one image transitions to another forms no part of the claimed design.