The malignant mesenchymoma is not rare actully, but owing to the one sidedness of sampling, it is always diagnosed pathomorphogically as one single tissue sarcoma.

After?overcoming?this?one-sidedness,?they?will take?a big?step forward.

It was shown that there were limitation, one-sidedness and irrationality in the constitution evaluation and the competition grouping, which were processed by the age and bone age.