High density shadow in the dorsal segment of the lower lobe of the right lung is an imaging description of the lesions in the lungs, suggesting abnormalities in the corresponding tissues and structures, and needs to be combined with clinical symptoms to make a comprehensive judgment. If the density of a lesion in the dorsal segment of the lower lobe of the right lung is found to be higher than that of the neighboring lung tissues by CT examination, it will suggest that hyperdense shadows in the dorsal segment of the lower lobe of the right lung is a kind of imaging description; the lesions that cause the corresponding changes include inflammation, tuberculosis, and tumors in the lungs, and the further examination needs to be combined with the clinical symptoms, blood tests, and even puncture biopsy to make the final judgment. If you find a high density shadow in the dorsal segment of the lower lobe of the right lung, you need to consult a doctor in time and carry out standardized treatment under the guidance of the clinician after the diagnosis is clear, so as to avoid delaying the condition.