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Figure 1 | BMC Research Notes

Figure 1

From: Asymptomatic tracheal MALT lymphoma discovered on spirometric findings presenting with elevated respiratory resistance

Figure 1

Time-course of the flow–volume curve suggesting long-term intrathoracic CAO. a Decreased peak expiratory flow rate 3 years before the diagnosis. b A plateau in FEF accompanied by relatively preserved FIF at presentation. c Improvements observed during radiation therapy at doses of 24 Gy. d Improvements observed after radiation therapy (36 Gy).

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