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1 Section of Roentgenology
Carcinoma should always be considered seriously in the diagnosis of any cavitary lesion of the lung, especially if the patient is more than 40 years old and if the lesion is large and if there is no calcification roentgenologically demonstrable in the lesion or in the neighboring parenchyma of the lung. Cytologic examination of the sputum and bronchoscopic biopsy may provide a definite diagnosis of carcinoma. A cavitary carcinoma does not always have a thick wall. The presence of a mural nodule is strong evidence in favor of malignancy. Roentgenologic examination does not provide a certain diagnosis of carcinoma, but proper evaluation of the existing treatment of a neoplasm that is better treated by surgical removal.
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