Fibrous foci in the upper lobe of the right lung is generally a manifestation of old tuberculosis of the lung, in the past, if you have suffered from tuberculosis, after standardized treatment of lung lesions absorption is incomplete, can be in the form of fibrous cords, calcification, proliferation and other forms of survival, detected by chest CT, generally do not need treatment, is not contagious. At the same time the right lung upper lobe fibrous foci can also ask whether the past has suffered from the upper lobe of the pneumonia, bronchiectasis, whether long-term smoking, exposure to dust, including the work of masons, coal miners. These work dust is larger in the lungs easy to deposit fiber foci, generally do not need treatment, belong to the benign changes, in short, the fibrous foci of the upper lobe of the tuberculosis manifestation of incomplete absorption of the main, most of the observation does not require special treatment.