"right upper side" is correct and usable in written English.
You could use it when you are trying to describe the location of something, e.g. "I found the item behind the bookshelf on the right upper side of the room".
I got mine about a year ago in the right upper side of my mouth.
The tumor cell suspension was injected under the capsule of the peritoneal surface in the right upper side of the abdomen as described before [ 7].
The tumor cell suspension was injected under the capsule of the peritoneal surface in the right upper side of the abdomen.
The subgraphs are described in Figures 2 and 3. Figure 2 is the left upper corner of Figure 1 and Figure 3 is the right upper side of Figure 1.
Draw two small egg-like shapes on the right upper side of the head.
Draw a question mark like shape diagonally at the right upper side of the body shape.
The columns positioned as intermediate in the KUL ranking list (nos. 15 18, 20 22), identified by higher k′amb against lower rk′tri/o-ter values, were placed on the right on the upper side of the FA plot.
The letters L, R, U, D, F, and B represent different faces or sides of the cube, as shown below: L= Left side R= Right side U= Upper side D= Lower side(D for the bottom side of the cube) F= Front side B= Back side A letter by itself denotes a 90°, clockwise turn.
Necrotic bone was observed on the buccal side of right upper premolars.
Upper right side: dependence in terms of mutual information between pairs of methods (none of the values was found to be significantly larger than random expectation).
After sticking the frame on the upper right hand side of an envelope, the letter writer places the photo sticker in the center of the frame.
