Errors from radiotherapy machine or software malfunction usually are well documented as
they affect hundreds of patients, whereas random errors affecting individual patients are
more difficult to be discovered and prevented. Although major clinical radiotherapy incidents
have been reported, many more have remained unrecognised or have not been reported.
The literature in this field is limited as it is mostly published as a result of investigation of
major errors. We present a review of radiotherapy incidents internationally with the aim of …

… Shared decision making with breast cancer patients - does it work? Results of the cluster-randomized,
multicenter DBCG RT SDM trial … The maximum radiation underdose received by these
patients was 17%, not the 35% quoted in the text, and there is to date no evidence of a high
rate of local recurrence. Additionally, the two references quoted in this article are both
media reports. A more accurate reference for this incident is the external report entitled: “The
Ottawa Orthovoltage Incident, Report of the Panel of Experts convened by Cancer Care …