X线诊断符合良性者41.4%,可疑良性者9.4%,拟有恶性者49.2%。

• The X-ray studies showed 41.4%25 cases with benign finding, 9.4%25 were suspected to be ben ign and 49.2%25 malignant The authors considered that it is difficult to differentiate benign lung mass from malignant only by X-ray.