Microscopic tumour emboli to the lungs: a hidden cause of dyspnoea and pulmonary hypertension.
D001943:Breast Neoplasms; D004417:Dyspnea / Q000209:etiology*; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology*; D008175:Lung Neoplasms / Q000150:complications / Q000556:secondary*; D008875:Middle Aged