. Radio-diagnosis of pleuro-pulmonary affection . 4 Radiograph 40. EXTENSIVE TUBERC;UL08LS OF THE LEFT LUNG WITH CAVITYTotal obscurity of the entire left lung with a clear oval zone under the the right scattered mottled areas. Autopsy—extensive caseous pneumonia ofentire left lung with large cavity under the clavicle. On the right scattered areasof tuberculous Radiograph 41. PRIMARY LOBAR CANCER OF THE RIGHT LUNGTotal obscurity of the whole upper part of the right lung. The lower outline of the shadow is clear and lung. The lower lobe is clear a
. Radio-diagnosis of pleuro-pulmonary affection . 4 Radiograph 40. EXTENSIVE TUBERC;UL08LS OF THE LEFT LUNG WITH CAVITYTotal obscurity of the entire left lung with a clear oval zone under the the right scattered mottled areas. Autopsy—extensive caseous pneumonia ofentire left lung with large cavity under the clavicle. On the right scattered areasof tuberculous Radiograph 41. PRIMARY LOBAR CANCER OF THE RIGHT LUNGTotal obscurity of the whole upper part of the right lung. The lower outline of the shadow is clear and lung. The lower lobe is clear as well as all of the LUNG TUMORS 143 definitely determined the presence of lung cancer and twiceit merely confirmed diagnosis already established these cases except one were confirmed by autopsy. It seems necessary to preserve radioscopically the clinicaldistinction of primary and secondary cancer as both usuallyshow different radiological characteristics. 1. Primary cancer.—This form may itself be divided intolobar cancer and cancer of the hilus, according to where itbegins. a. Lobar cancer.—From a radiological point of view,pri-mary lobar cancer of the lung is characterized by a shadowin general somewhat extensive, occupying one entire lobeof the lung. The preference for the upper lobe is quite appar-ent. The lower part of this shadow is limited by a narrowline i
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcetc, bookyear191