. Radiography and radio-therapeutics . the digestive tract, the genito-urinary organs, or the bones, and,most frequently of all, cancer of the breast. The types most usually metwith are in order of frequency : (1) scirrhus cancer ; (2) epithelioma, whichmay be primary in the bronchial tract; (3) sarcoma ; (4) fibroma; (5)enchondroma ; (6) osteoma (very rare). The lungs may also be involved inHodgkins disease. The primary growth generally forms a large mass,which may occupy the greater part of the lung. It may by extension out-wards involve the parietal and visceral pleura. The tumour mass mayn
. Radiography and radio-therapeutics . the digestive tract, the genito-urinary organs, or the bones, and,most frequently of all, cancer of the breast. The types most usually metwith are in order of frequency : (1) scirrhus cancer ; (2) epithelioma, whichmay be primary in the bronchial tract; (3) sarcoma ; (4) fibroma; (5)enchondroma ; (6) osteoma (very rare). The lungs may also be involved inHodgkins disease. The primary growth generally forms a large mass,which may occupy the greater part of the lung. It may by extension out-wards involve the parietal and visceral pleura. The tumour mass maynecrose, and a cavity result. The diffuse cancerous growth may resemble atuberculous pneumonia. The metastatic growths are nearly always dissemi-nated ; they may vary from a miliary type to quite a large growth, and allvariations in size may be met with in the same patient. The symptoms maybe slight or marked according to the accessory lesions which accompany thenew growth, such as pleurisy ; this may be dry or accompanied by
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