Your patient was diagnosed with osteosarcoma of the left femur therefore the part of her skeleton which is directly affected by this diagnosis is her legs.
This is referred to as a structural framework which supports the body of an organism and it comprises of bones, cartilages etc and the element called calcium is important for their development.
Osteosarcoma mostly affects long bones such as that of the arm and legs. In this scenario, we were told that she has this medical condition on her femur which is a bone found in the leg thereby making it the correct choice.
Read m ore about Skeleton here https://brainly.com/question/27844970
#SPJ1
