I still allowed to work in PNG even if I have a lung scars ?

Hi,im rgj from Philippines.is anyone have same promblem with mine and give their ideas.i already have my imployer in PNG particular in Lae,may paper was already process 3 months ago and already had a visa,so my agency requires me to take a PDoS,my employer also send my plane ticket because I suppose to travel last oct,27 2013 but unfortunately my flight was cancel becausemy visa stamp has not been release by the consulate.Btw,i have my scar in my left upper lube but my medical certificate was fit to work with the help of my pulmonarydoctor certificate.my question is,am I still allowed to work in PNG even if I have a lung scars?