Alterations on front sleeve, side front neckline facing, front, back, and back sleeve:
a and b. Shorten armhole depth, above and below front neckline level.
c. Make shoulder line less square and sleeve less wide, since shoulder pads are not used.
d. Flare out side seams to the next larger size at the hip.
Disclaimers: not necessarily to scale; pieces not altered are not shown; truing of cutting lines not highlighted.