Corded shadow of the tongue segment of the upper lobe of the left lung is a term used in medical imaging to examine the tongue segment of the lung, suggesting that the patient’s upper lobe of the left lung has had infections and other undesirable conditions such as fibrosis of the lungs. Corded image is a term used in medical imaging to describe changes in lung disease. Anatomically, the lung organ is artificially divided into different segments to facilitate the study of diagnosis and treatment of disease. The lingual segment of the upper lobe of the left lung is part of the lung tissue in front of the heart, and streaks are more common in this area. The presence of striae in the lingual segment of the upper lobe of the left lung suggests that the patient has had infections and other injuries in this area, and that the disease has basically healed, but the lung tissue in the upper lobe of the left lung has been damaged by fibrosis, which is a kind of repair of the damage to the organism. If the fibrosis is small, it usually does not affect the patient; if the damage is large, it may affect the patient’s respiratory function. Additional tests are needed to accurately assess the patient’s lung function. If there is any lung abnormality, please go to the hospital in time to avoid delaying the condition.