Occupational lesion in the upper lobe of the left lung with enlarged mediastinal lymph nodes, whether lung cancer is serious or not depends on the nature of the occupancy, if it is cancerous occupancy, it is more serious, while benign occupancy is generally not serious.
1. If the diagnosis of lung cancer is confirmed by examination and metastatic lymph nodes in the mediastinum, it is a serious condition, and it is necessary to complete the examinations as soon as possible to confirm the diagnosis and treat the disease as soon as possible.
2. If the final result of the examination is benign, occupying with reactive hyperplasia of mediastinal lymph nodes, the corresponding condition is not serious, and there is no special symptom, you can have a regular review, or you can have radical resection according to the condition.
If the corresponding lesions appear and continue to increase in size along with obvious cough and chest pain during regular checkups, it is necessary to consult a doctor in time to confirm the diagnosis of the disease and carry out standardized treatment under the guidance of the clinician, so as to prevent the disease from being misdiagnosed.