<s>[INST] Hi, i m 23 yrs. old, 48kgs. and 5 4 in height. my medical exam today shows that i have PTB left upper lobe, i was really shocked cause i don t have any history of it, actually last dec. 2013 i undergone chest x-ray and the result is clear, no findings. i really want to know all about it, the clinic advised me to consult a pulmonologist because i m unfit to work. how did it happen? why? what should i do? please, i really need your advice, thank you so much [/INST] HIWell come to HCMPulmonary tuberculosis is geographically distributed according to incidence of infection to populations, in some part of the world it is common, say panendemic while in some part of the world it is almost vanished, it is depends where are you from? or if you have visited such area where the chances of TB infection is likely, but with the proper treatment this cures completely only multidrug resistance is matters and this need to be ruled out first, hope this information helps, your further query would be appreciated and answered, take care. </s>