From my N2

See the gastric and diaphragmatic outline.

From my N2

Hiatal hernia.
Warrants lateral view.

From my N2

ABC
SBC
GCT

From my N2

Always figure out early : is it a bone problem, or is it a joint problem.

Bilateral hand will very well be a systemic disease. Look for symmetrical joint involvement.

From my N2

Don't forget to comment in the lung volume.

From my N2

Bowel wall.
Bowel calibre.
Abnormal air.
Bony structures. 

Don't forget to see the psoas outline.

From my N2

Hint: look at bony structures.
See old fractures, abnormal sinus?

double heart shadow

Normal RA overlapped by enlarged LA

flower related

Radiology signs

http://radiopaedia.org/encyclopaedia/signs

http://www.learningradiology.com/radsigns/radsignstoc.htm