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first letters of the following indications of the TPN, and the   for a further investigation in ECOG > 2 patients who are
          result is a phrase that can be much more easily remembered:   symptomatic and in bed > 50% of the day.
          Major visceral injury, Inflammatory bowel disease, Sepsis,
          Ileus, Post-operative, Paralysis, Intestinal fistulas, and Burns.   Extra-hepatic disease
          These mnemonics are being used with increasing frequency   Here, the extra-hepatic dissemination of the HCCs are
          in the medical education due to the need to learn, memorize,   evaluated, which is an important finding in the advanced
          remember, and recall a lot of things. [9,10]        stage HCC diagnosis (BCLC Stage C) and helps in the
                                                              differential diagnosis of the intermediate stage HCCs (BCLC
          A MNEMONIC ACRONYM TO DECIDE AND CHOOSE             Stage B). The portal vein invasion, lymph node positivity (N1),
          THE RESECTABLE HCC: “PERISH”                        and distant metastasis (M1) are the pathognomonic findings
                                                              of the advanced stage HCCs. These HCCs tend to be mostly
          This phrase “PERISH” is designed to help practically and   locally advanced cancers that have a high affinity to make
          easily the surgeons in choosing the HCCs to be resected in   lymph node metastasis (30%). The distant metastasis are
          an algorithm while evaluating a patient. It is a mnemonic   seen less frequently (13.5%); most commonly to lungs,
          acronym designed for: Performance of patient, Extra-hepatic   bones, peritoneum, and the adrenal glands. [11-13]  There are
          disease, Reserve of the liver, Intra-hepatic distribution,   some authors suggesting surgical resection for the distant
          Stratifying risk factors, Hepatectomy size. All these factors   metastasis to lungs or adrenal glands for a better prognosis
                                                                                                  [14]
          have a great importance in the patient selection that will be   in HCCs with up to three pulmonary lesions.  However, this
          eligible for the surgery.                           is not generally accepted. The major vascular invasion that
                                                              cannot be reconstructed also leads to the HCCs advanced
          Performance of patient                              stage. The vessel invasion is more common in extra-hepatic
          These patients with HCC, if eligible for a resection will be   disseminated HCCs. [12,13]  In these situations, only sorafenib
          candidates for one of the major surgeries in the general   treatment, and even in some, only the supportive treatment
          surgery practice. This may be a small size resection or a   modalities can be used.
          major hepatectomy, if the HCC and the patient are suitable.
          Hence, even if there is a chance of surgical resection as a   Reserve of liver
          cure for the disease, there are patient factors that are as   Since 80% of these HCCs originate from the cirrhotic livers,
          important as the HCCs status when the surgeon is making   resection of these tumors is a much more complicated issue.
          a surgery decision. The age of the patient, debilitating, and   The pitfalls of liver surgery in these patients are inadequate
          co-morbid diseases (cardiovascular, renal, pulmonary, etc.)   functional remnant, decrease in liver regeneration capacity,
          are the important factors that help the surgeon in making   and increase the probability of hemorrhage due to portal
          the evaluation.                                     hypertension. When inadequate liver remnant is left behind,
                                                              this may lead to hepatic insufficiency and failure, which is the
          The age of the patients is an important factor affecting the   most common cause of death in this group. Calculation of
          outcomes of the surgical interventions. During the years   liver reserve should be the third step of the evaluation. There
          1991-1995, in USA, the HCC incidence increased significantly   are several staging methods to determine the hepatic reserve,
          in 40-60 years old patients up to 2.4 per 100,000 from   such as Model for the End-Stage Liver Disease, Indo-cyanine
          1.4 per 100,000.  Furthermore, a more objective criteria,   Green (ICG) Retention Test, Metabolism of Lidocaine to the
                        [11]
                                                                                                    [15]
          the ECOG classification for the health status is used in the   Metabolite, and Arterial Body Ketone Ratio.  However,
          BCLC staging of the HCCs [Table 1].  Here, the patient’s   the most widely accepted staging system is Child-Pugh
                                         [5]
          performance in doing their daily routines and taking care   classification as A, B, and C [Table 2]. Previous studies clearly
          of their own needs are taken into consideration. The ECOG   demonstrated that liver resection in cirrhotic patients
          Class 0, Class 1, and sometimes the Class 2 can tolerate   accompanied with exacerbated transient hepatic dysfunction,
          the surgical treatment. However, ECOG Class 3 and Class 4,
          due to their debilities cannot be candidates for surgical   Table 1: ECOG performance scoring system
          intervention whatever the HCC status is. The end stage HCC   Performance  Defi nition
          (BCLC Stage D) accounting for the 20% of HCCs also includes   status
          ECOG Class > 2 and/or Child-Pugh Class C patients. These are   1  No symptoms; normal activity level
          directly classified as the terminal stage patients that are only   2  Symptomatic, but able to carry out normal daily activities
          candidates for supportive treatments with a survival period   3  Symptomatic; in bed less than half of the day; needs
                                                                         some assistance with daily activities
          of < 3 months [Figure 1].  Poor patient performance is an   4  Symptomatic; in bed more than half of the day
                               [4]
          early indicator for the treatment decision without a need   ECOG: Eastern Cooperative Oncology Group

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