pulmonary hypertension
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palissaded granulomatous and neutrophilic dermatitis
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palmar-plantar fibromatosis
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Pancreas
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pancreatic acinar cell carcinoma
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pancreatic acinar tumors
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pancreatic tumors
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pancreatic viscous mucus
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papillary oncocytic renal cell carcinoma
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paratesticular embryonal rhabdomyosarcoma
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paratesticular Leydig cell tumor
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paratesticular tumors
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parosteal osteosarcoma
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partial hydatiform mole
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parvoviral inclusions
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pediatric fibrous tumors
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pemphigus vulgaris
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perforated acute appendicitis
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Perforations
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periductal inlammatory infiltrate
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periductal lymphocytic infiltrate
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perilobular fibrosis
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periportal anomalies
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periportal hematopoiesis
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periportal sinusoidal congestion
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peritoneal endometriosis
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peritoneal nodules
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Peritonitis
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perniosis
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persistence of embryologic structures
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Phthirus pubis
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Physeal growth plate
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pigmented spindle cell nevus
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pilomatricoma
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pilonidal sinus
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pilonidal sinus cyst
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placental mucolipidoses
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placental mucolipidosis
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PLEVA
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plexiform fibrohistiocytic tumor
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plexiform schwannoma
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Pneumatosis
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Pohl-Pinkus constriction
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Polyps
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popliteal synovial cyst
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portal cholestasis
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portal endothelitis
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portal fibrosis
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portal macrophages
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portal macrophagic infiltration
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precursor B lymphoblastic lymphoma
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precursor B-cell acute lymphoblastic leukemia
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progressive chronic pulmonary aspergillosis
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progressive transformation of germinal centers
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protoscolex
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Pseudopolyp
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Pseudotumors
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psoriasis
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pulmonary arterial musculous hyperplasia
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pulmonary aspergillosis
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pulmonary cellular arterial obstruction
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pulmonary echinococcosis
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pulmonary hemorrhages
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pulmonary hemosiderosis
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pulmonary hypertension by portocaval fistula
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pulmonary lymphomatoid granulomatosis
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pulmonary nodules
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pulmonary thrombotic microangiopathy
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pulmonary vascular malformations
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pulmonary vessels
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