in the absence of clinical and x-ray signs of pulmonary hypertension in patients with chronic pneumonia , partial rheography of the lungs revealed symptoms of increased vascular resistance in some pulmonary zones and ventilation disorders with the corresponding discordance of the ventilation-perfusion relations in the early stages , which progressed with the intensification of the stage of chronic pneumonia and the severity of pulmonary hypertension .
C0024109
lungs
C0032285
pneumonia