Basic Treatment Planning

Pre-Operative RT in Rectal Cancer

• Short Course 

25Gy/5#/1 week followed by surgery within 10 days  Common practice in Northern Europe  Appropriate if tumour doesn’t need to shrink prior to surgery

• Long Course  45-50.4Gy/25-28#/5-5.5 weeks followed by surgery 6-8 weeks later  More frequently used for locally advanced cancers  When tumour shrinkage required