Fig. 1
From: Late sacral recurrence of rectal cancer treated by heavy ion radiotherapy: a case report
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40792-016-0240-8/MediaObjects/40792_2016_240_Fig1_HTML.gif)
Course of treatment and changes in blood CEA level
From: Late sacral recurrence of rectal cancer treated by heavy ion radiotherapy: a case report
Course of treatment and changes in blood CEA level