He had one episode of pancreatitis 15 years ago, and another in [**3139**].
 The patient has had episodes of pancreatic swelling. 
(ROOT (S (NP (PRP He)) (VP (VP (VBD had) (NP (NP (CD one) (NN episode)) (PP (IN of) (NP (NN pancreatitis)))) (ADVP (NP (CD 15) (NNS years)) (RB ago))) (, ,) (CC and) (VP (NP (DT another)) (PP (IN in) (NP (PRN (-LRB- -LSB-) (FRAG (SYM **) (QP (CD 3139)) (X (SYM **))) (-RRB- -RSB-)))))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ has) (VP (VBN had) (NP (NP (NNS episodes)) (PP (IN of) (NP (JJ pancreatic) (VBG swelling)))))) (. .)))
( He ( ( ( ( ( ( had ( ( one episode ) ( of pancreatitis ) ) ) ( ( 15 years ) ago ) ) , ) and ) ( another ( in ( -LSB- ( ( ** ( 3139 ** ) ) -RSB- ) ) ) ) ) . ) )
( ( The patient ) ( ( has ( had ( episodes ( of ( pancreatic swelling ) ) ) ) ) . ) )