Hello
Conservative and Surgery both are the options
Conservative management can be done but there will be cosmetic problem near the fracture site,
U can go with Conservative management but strict no weight bearing on the left upper limb because once it goes to non-union ,surgery has to be done
Ideally 6 weeks will be enuf
Next Steps
do x ray 3 weeks once
Health Tips
apply shoulder arm immobiliser
review with any doubts