title: [Spherical pneumonia simulating a mediastinal mass].
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging; D011008:Pneumococcal Infections / Q000000981:diagnostic imaging*; D011014:Pneumonia / Q000000981:diagnostic imaging*; D014056:Tomography, X-Ray
vernacular_title: Neumonía "esférica" simulando una masa mediastínica