Document aJwJ99dm0Me92k054nkJJ8aVM
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the three anterior rib spaces, just to give an indication of their size. That's not a very important distinction, so far as we know.
And, lastly, we use the-Category D -- next slide --. for those which, in addition to massive shadows, have gross distortion of the diaphragms, the mediastina here, and with emphysema at the basis, which, as this radiograph shows, can be quite extreme in many of these cases.
So, in summary now, -- next' slide -- we have the classification slide which I nave used both in.France and Germany; that's why it's international - in which we have the normal films with naught and the French again wanted to retain -soma vestige of. their pathologique which we call X, wnich is a film which you can not put your hand
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on our heart and say it's normal because there is somecr.Ing chat suggests pneumoconiosis to you,, because it might well J be something else, some sort of non-specific fibrosis, emphysema or what have you, bronchitis; and so, if you ilke^ you can call it X We regard it as pretty bad form in the pneumoconioses to use X; we only do it when we're absolute ly forced to, because we just can't make up our minds.
Then, we come on to simple pneumoconiosis, wnich is three categories depending chiefly on the diffusion of j the opacities, on th9ir diffusion up to the rib area, -ith j the pinhead, micro-nodular, mostly put in for the c or.s! osrati
SEVENTH SARANAC -0194