C49 - Malignant neoplasm of other connective and soft tissue
C49.2 - Malignant neoplasm of connective and soft tissue of lower limb, including hip
C49.20 - Malignant neoplasm of connective and soft tissue of unspecified lower limb, including hip
C49.21 - Malignant neoplasm of connective and soft tissue of right lower limb, including hip
C49.22 - Malignant neoplasm of connective and soft tissue of left lower limb, including hip