original: Afterwards, doctors performed various medical treatments if necessary.
simplifications: Afterwards, doctors performed different medical treatments if needed. After that, doctors make different medical treatments if it is needed. Afterwards, doctors performed various treatments. Doctors then performed various medical treatments, if needed. After, doctors do various medical treatments if needed. Doctors will perform medical treatments if necessary. Doctors will then perform various medical treatments if needed. Doctors performed various medical treatments if needed. Later on doctors did various medical treatments if needed. Doctors later performed various medical treatments if necessary.