During hospitalization, patient became progressively more dyspnic requiring BiPAP and then a NRB.
 The patient has pulmonary edema. 
(ROOT (S (PP (IN During) (NP (NN hospitalization))) (, ,) (NP (NN patient)) (VP (VBD became) (NP (NP (RB progressively) (RBR more) (JJ dyspnic) (VBG requiring) (NN BiPAP)) (CC and) (ADVP (RB then)) (NP (DT a) (NN NRB)))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ has) (NP (JJ pulmonary) (NN edema))) (. .)))
( ( During hospitalization ) ( , ( patient ( ( became ( ( ( ( progressively ( more ( dyspnic ( requiring BiPAP ) ) ) ) and ) then ) ( a NRB ) ) ) . ) ) ) )
( ( The patient ) ( ( has ( pulmonary edema ) ) . ) )