What is emphesema and its symptoms and treatment

What is emphesema and its symptoms and treatment and deu to which it occur in body and what happen when emphesema is occur and which part of the body is affected . please some body response

Prezence of air into pleural cavity and +/-lung tissue .It can be cause by lnfllamatory agencies eg bacterias ,viruzes ,secondary to traumas Victims complains of coughing up of flossy,yellowish productive matter ,fever difficlt breathing air hunger +/- cynosis Po2 concentration reduction ,chest pain ,bulging of affected area of the chest (chest asymmetrical ,diminished chest wall expansion esp affected part .lt is a pathology of AIR RESPIRATORY WAY …Treatment according to aetiology .