Switch to side-by-side view

--- a/README.md
+++ b/README.md
@@ -5,8 +5,6 @@
 classify early-stage lung cancer from **CT** scans on **pathological** level. The deep learning models outperforms the 
 radiologists (2 senior and 2 junior) in our observer study, which indicates the potentials to facilitate
 precision medicine.
-
-![Graphical Abstract](GraphicalAbstract.png)
 
 More details, please refer to our paper: