Hard nodule foci in the lower lobe of the left lung refers to the scar left after the lesion in the lower lobe of the left lung is not completely absorbed or fibrotic after treatment or self-healing. It is most commonly found in tuberculosis, but also seen in lung infections, pulmonary tuberculosis, idiopathic pulmonary fibrosis, lung misshapen tumors, teratomas of lungs and other diseases, and rarely lung malignant tumors.
1. Most of the hard nodular foci in the lower lobe of the left lung are benign. Hard nodular foci usually do not need special treatment, but need regular follow-up and observation.
2. If there are lobular signs, vacuolar signs, pleural depression signs, etc., or the chest CT shows enlargement and morphological changes in the course of review, malignancy cannot be ruled out, and a definite diagnosis is needed for further treatment.
If hard nodular foci are found in the lower lobe of the left lung, it is recommended to go to the Department of Thoracic Surgery of the hospital for further consultation and diagnosis.