title: [Image of limited transparency: what is your diagnosis?].
authors.affiliation: Institutul Naţional de Pneumologie Marius Nasta Bucureşti.
authors.forename: M
authors.initials: M
authors.lastname: Ciontu
authors.forename: R
authors.initials: R
authors.lastname: Ulmeanu
authors.forename: I
authors.initials: I
authors.lastname: Strâmbu
mesh_terms: D005260:Female; D006801:Humans; D008875:Middle Aged; D011030:Pneumothorax / Q000000981:diagnostic imaging*; D011859:Radiography