Ganesh,42yrs, with limited systemic sclerosis for the past 10 yrs complaints of shortness of breath for the past one year.His pulmonary function tests are as follows - OBSERVED (FVC- 2.63, FEV1 -88%, DLCO -5.2) PREDICTED (FVC -2.82, FEV1 -80%, DLCO -16.3) .Which of the following is the probable diagnosis -

Ganesh,42yrs, with limited systemic sclerosis for the past 10 yrs comp

1.	Ganesh,42yrs, with limited systemic sclerosis for the past 10 yrs complaints of shortness of breath for the past one year.His pulmonary function tests are as follows - OBSERVED (FVC- 2.63, FEV1 -88%, DLCO -5.2) PREDICTED (FVC -2.82, FEV1 -80%, DLCO -16.3) .Which of the following is the probable diagnosis -
A.	Pnuemothorax
B.	Diaphragmatic weakness
C.	Interstitial lung disease
D.	Pulmonary hypertension
Answer» D. Pulmonary hypertension