want to get more symmetrical and improve training schedule

Hi, right heres my current schedule

Monday - chest
Tuesday- legs
Wednesday- shoulders and back/lats
Thursday- rest day
Friday- biceps and triceps
Saturday- Rest day
Sunday - Rest

Cardio on training days except for legs

Right and here's my question, about 4 years ago when i first started lifting i never used to do my chest so my chest is out of proportion with the rest of my body

any advice on how i could eve it up a bit?

also any help on improving training schedule. (gym shut at weekends though)

cheers