Genetic Algorithm Based Scheduling of Radiotherapy Treatments for Cancer Patients

  • Authors:
  • Dobrila Petrovic;Mohammad Morshed;Sanja Petrovic

  • Affiliations:
  • Faculty of Engineering and Computing, Coventry University, Coventry, UK;Faculty of Engineering and Computing, Coventry University, Coventry, UK;School of Computer Science, University of Nottingham, Nottingham, UK

  • Venue:
  • AIME '09 Proceedings of the 12th Conference on Artificial Intelligence in Medicine: Artificial Intelligence in Medicine
  • Year:
  • 2009

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Abstract

This paper presents a multi-objective model for scheduling of radiotherapy treatments for cancer patients based on genetic algorithms (GA). The model is developed and implemented considering real life radiotherapy treatment processes at Arden Cancer Centre, Coventry, UK. Two objectives are defined: minimisation of the Average patient waiting times and minimisation of Average tardiness of the patient first treatment fractions. Two scenarios are analysed considering the availability of the doctors to approve treatment plans. The schedules generated by the GA using real data collected from the collaborating Cancer Centre have good performance. It is demonstrated that enabling doctors to approve treatment plans instantly has a great impact on Average waiting time and Average tardiness for all patient categories.