TY - GEN AU - Ito,F TI - [Radiographic series on pulmonary masses (9). A nodal shadow caused by pleural effusion] SN - 0047-1852 PY - 1980///0215 KW - Diagnosis, Differential KW - Humans KW - Male KW - Middle Aged KW - Pleural Effusion KW - diagnostic imaging KW - Pleurisy KW - Radiography N1 - Publication Type: Case Reports; Journal Article ER -